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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Mar. 31, 2014
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|---|---|---|
| Current assets: | ||
| Cash and cash equivalents | $ 27,271us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 32,146us-gaap_CashAndCashEquivalentsAtCarryingValue |
| Investments | 33,000us-gaap_HeldToMaturitySecuritiesCurrent | 29,000us-gaap_HeldToMaturitySecuritiesCurrent |
| Trade accounts receivable, net of allowances ($62 and $46 at March 31, 2015 and 2014, respectively) | 17,249us-gaap_AccountsReceivableNetCurrent | 10,339us-gaap_AccountsReceivableNetCurrent |
| Unbilled revenue | 18,665us-gaap_UnbilledContractsReceivable | 7,830us-gaap_UnbilledContractsReceivable |
| Inventories | 13,994us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings | 16,518us-gaap_InventoryNetOfAllowancesCustomerAdvancesAndProgressBillings |
| Prepaid expenses and other current assets | 529us-gaap_PrepaidExpenseAndOtherAssetsCurrent | 457us-gaap_PrepaidExpenseAndOtherAssetsCurrent |
| Income taxes receivable | 339us-gaap_IncomeTaxesReceivable | 498us-gaap_IncomeTaxesReceivable |
| Deferred income tax asset | 647us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent | 668us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent |
| Total current assets | 111,694us-gaap_AssetsCurrent | 97,456us-gaap_AssetsCurrent |
| Property, plant and equipment, net | 19,812us-gaap_PropertyPlantAndEquipmentNet | 16,449us-gaap_PropertyPlantAndEquipmentNet |
| Prepaid pension asset | 1,332us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent | 5,759us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent |
| Goodwill | 6,938us-gaap_Goodwill | 6,938us-gaap_Goodwill |
| Permits | 10,300ghm_Permits | 10,300ghm_Permits |
| Other intangible assets, net | 4,428us-gaap_OtherIntangibleAssetsNet | 4,608us-gaap_OtherIntangibleAssetsNet |
| Other assets | 150us-gaap_OtherAssetsNoncurrent | 124us-gaap_OtherAssetsNoncurrent |
| Total assets | 154,654us-gaap_Assets | 141,634us-gaap_Assets |
| Current liabilities: | ||
| Current portion of capital lease obligations | 60us-gaap_CapitalLeaseObligationsCurrent | 80us-gaap_CapitalLeaseObligationsCurrent |
| Accounts payable | 13,334us-gaap_AccountsPayableCurrent | 10,084us-gaap_AccountsPayableCurrent |
| Accrued compensation | 9,343us-gaap_EmployeeRelatedLiabilitiesCurrent | 5,701us-gaap_EmployeeRelatedLiabilitiesCurrent |
| Accrued expenses and other current liabilities | 3,247us-gaap_AccruedLiabilitiesCurrent | 2,233us-gaap_AccruedLiabilitiesCurrent |
| Customer deposits | 4,179us-gaap_CustomerDepositsCurrent | 8,012us-gaap_CustomerDepositsCurrent |
| Deferred income tax liability | 164us-gaap_DeferredTaxLiabilitiesCurrent | |
| Total current liabilities | 30,327us-gaap_LiabilitiesCurrent | 26,110us-gaap_LiabilitiesCurrent |
| Capital lease obligations | 98us-gaap_CapitalLeaseObligationsNoncurrent | 136us-gaap_CapitalLeaseObligationsNoncurrent |
| Accrued compensation | 124us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent | 158us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent |
| Deferred income tax liability | 6,363us-gaap_DeferredTaxLiabilitiesNoncurrent | 8,197us-gaap_DeferredTaxLiabilitiesNoncurrent |
| Accrued pension liability | 315us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent | 272us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent |
| Accrued postretirement benefits | 876us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent | 853us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent |
| Total liabilities | 38,103us-gaap_Liabilities | 35,726us-gaap_Liabilities |
| Commitments and contingencies (Notes 6 and 15) | ||
| Stockholders' equity: | ||
| Preferred stock, $1.00 par value, 500 shares authorized | ||
| Common stock, $.10 par value, 25,500 shares authorized 10,433 and 10,409 shares issued and 10,133 and 10,098 shares outstanding | 1,043us-gaap_CommonStockValue | 1,041us-gaap_CommonStockValue |
| Capital in excess of par value | 21,398us-gaap_AdditionalPaidInCapitalCommonStock | 20,274us-gaap_AdditionalPaidInCapitalCommonStock |
| Retained earnings | 106,178us-gaap_RetainedEarningsAccumulatedDeficit | 93,469us-gaap_RetainedEarningsAccumulatedDeficit |
| Accumulated other comprehensive loss | (9,056)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax | (5,765)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
| Treasury stock, (299 and 311 shares) | (3,012)us-gaap_TreasuryStockValue | (3,111)us-gaap_TreasuryStockValue |
| Total stockholders' equity | 116,551us-gaap_StockholdersEquity | 105,908us-gaap_StockholdersEquity |
| Total liabilities and stockholders' equity | $ 154,654us-gaap_LiabilitiesAndStockholdersEquity | $ 141,634us-gaap_LiabilitiesAndStockholdersEquity |
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- Definition
Carrying amount (original costs adjusted for previously recognized impairment) as of the balance sheet date for nuclear permits required to operate in the strict regulatory environment of the nuclear industry which are intended to be continually renewed. No definition available.
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- Definition
Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of capital lease obligation due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). No definition available.
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences expected to be realized or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This represents the noncurrent liability recognized in the balance sheet that is associated with the defined benefit pension plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount (lower of cost or market) of inventories less all valuation, other allowances, and progress payments or customer advances received on long-term contracts or programs. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer). No definition available.
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| X | ||||||||||
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- Definition
Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets that are not separately presented on the statement of financial position. No definition available.
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- Definition
This represents the noncurrent liability recognized in the balance sheet that is associated with other postretirement defined benefit plans (excluding pension plans). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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