Quarterly report pursuant to Section 13 or 15(d)

Accounting and Reporting Changes - Impact of Adoption of the New Revenue Recognition Standard on Consolidated Statements of Operations and Balance Sheet (Detail)

v3.10.0.1
Accounting and Reporting Changes - Impact of Adoption of the New Revenue Recognition Standard on Consolidated Statements of Operations and Balance Sheet (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Sep. 30, 2018
Apr. 01, 2018
Mar. 31, 2018
Sep. 30, 2017
Mar. 31, 2017
Consolidated Statements of Operations                  
Net sales $ 17,198 $ 17,281 $ 68,190 $ 55,356          
Cost of products sold 13,456 13,785 51,079 43,341          
Gross profit 3,742 3,496 17,111 12,015          
Selling, general and administrative 4,249 4,037 13,518 11,362          
Income before provision for income taxes 39 (15,158) 5,069 (13,851)          
(Benefit) provision for income taxes (56) (3,536) 824 (3,174)          
Net income 95 (11,622) 4,245 (10,677)          
Assets                  
Trade accounts receivable, net of allowances 15,157   15,157       $ 17,026    
Unbilled revenue 7,317   7,317     $ 6,092 8,079    
Inventories 22,525   22,525       11,566    
Prepaid expenses and other current assets 1,671   1,671       772    
Other assets 174   174       202    
Liabilities and stockholders’ equity                  
Accounts payable 7,477   7,477       16,151    
Accrued compensation 5,186   5,186       4,958    
Accrued expenses and other current liabilities 3,822   3,822       2,885    
Customer deposits 32,572   32,572     26,585 13,213    
Deferred income tax liability 1,437   1,437       1,427    
Stockholders’ equity:                  
Retained earnings 99,383 $ 97,229 99,383 $ 97,229 $ 100,271   99,011 $ 109,731 $ 110,544
Accumulated other comprehensive loss (8,063)   (8,063)       $ (8,250)    
ASU 2014-09 [Member]                  
Assets                  
Trade accounts receivable, net of allowances           17,564      
Unbilled revenue           6,092      
Inventories           24,551      
Prepaid expenses and other current assets           890      
Other assets           271      
Liabilities and stockholders’ equity                  
Accounts payable           15,445      
Accrued compensation           4,786      
Accrued expenses and other current liabilities           3,369      
Customer deposits           26,585      
Deferred income tax liability           1,194      
Stockholders’ equity:                  
Retained earnings           97,989      
ASU 2014-09 [Member] | Balances Without Adoption of Revenue Recognition Standard [Member]                  
Consolidated Statements of Operations                  
Net sales 18,278   67,413            
Cost of products sold 14,406   50,182            
Gross profit 3,872   17,231            
Selling, general and administrative 4,264   13,548            
Income before provision for income taxes 154   5,159            
(Benefit) provision for income taxes (36)   839            
Net income 190   4,320            
Assets                  
Trade accounts receivable, net of allowances 14,114   14,114            
Unbilled revenue 8,095   8,095            
Inventories 9,379   9,379            
Prepaid expenses and other current assets 1,546   1,546            
Other assets 156   156            
Liabilities and stockholders’ equity                  
Accounts payable 7,404   7,404            
Accrued compensation 5,355   5,355            
Accrued expenses and other current liabilities 3,895   3,895            
Customer deposits 17,389   17,389            
Deferred income tax liability 1,732   1,732            
Stockholders’ equity:                  
Retained earnings 100,550   100,550            
Accumulated other comprehensive loss (8,065)   (8,065)            
ASU 2014-09 [Member] | Effect of Change [Member]                  
Consolidated Statements of Operations                  
Net sales (1,080)   777            
Cost of products sold (950)   897            
Gross profit (130)   (120)            
Selling, general and administrative (15)   (30)            
Income before provision for income taxes (115)   (90)            
(Benefit) provision for income taxes (20)   (15)            
Net income (95)   (75)            
Assets                  
Trade accounts receivable, net of allowances 1,043   1,043     538      
Unbilled revenue (778)   (778)     (1,987)      
Inventories 13,146   13,146     12,985      
Prepaid expenses and other current assets 125   125     118      
Other assets 18   18     69      
Liabilities and stockholders’ equity                  
Accounts payable 73   73     (706)      
Accrued compensation (169)   (169)     (172)      
Accrued expenses and other current liabilities (73)   (73)     484      
Customer deposits 15,183   15,183     13,372      
Deferred income tax liability (295)   (295)     (233)      
Stockholders’ equity:                  
Retained earnings (1,167)   (1,167)     $ (1,022)      
Accumulated other comprehensive loss $ 2   $ 2