Income Taxes - Summary of Net Deferred Income Tax Liability (Detail) - USD ($) $ in Thousands |
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Components Of Deferred Tax Assets And Liabilities [Abstract] | ||
| Depreciation | $ (1,582) | $ (2,201) |
| Accrued compensation | 201 | 242 |
| Prepaid pension asset | (969) | (845) |
| Accrued pension liability | 129 | 175 |
| Accrued postretirement benefits | 160 | 299 |
| Compensated absences | 366 | 601 |
| Inventories | 51 | 1,045 |
| Warranty liability | 108 | 191 |
| Accrued expenses | 429 | 937 |
| Stock-based compensation | 332 | 548 |
| Intangible assets | (1,100) | (5,097) |
| New York State investment tax credit | 1,074 | 959 |
| Research and development tax credit | 145 | |
| Net operating loss carryforwards | 271 | |
| Other | 47 | 79 |
| Deferred Tax Liabilities, gross | (338) | (3,067) |
| Less: Valuation allowance | (1,074) | (959) |
| Total | $ (1,412) | $ (4,026) |
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- Definition Deferred tax assets and liabilities prepaid pension cost. No definition available.
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- Definition Amount before allocation of valuation allowance of deferred tax asset (liability) attributable to deductible(taxable) temporary differences not separately disclosed. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee benefits and Long Term Incentive Plan. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state investment tax credit carryforwards. No definition available.
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensated absences (includes, but not limited to, sick and personal days). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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