Annual report pursuant to Section 13 and 15(d)

Income Taxes - Deferred Income Tax Assets and Liabilities (Details)

v3.7.0.1
Income Taxes - Deferred Income Tax Assets and Liabilities (Details) - USD ($)
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Components of Deferred Tax Assets [Abstract]      
Accrued liabilities and reserves $ 1,617,000 $ 1,607,000  
Stock option compensation 932,000 1,166,000  
Foreign deferred benefits 2,340,000 788,000  
Net operating loss carry-forward 1,250,000 614,000  
Inventories 440,000 529,000  
Capitalized transaction costs 390,000 531,000  
Interest rate swap included in Other Comprehensive Loss 18,000 444,000  
Foreign tax credit carry forward 65,000 52,000  
Unrealized gain on hedge 0 7,000  
Valuation allowance (659,000) (169,000)  
Other 0 24,000  
Total deferred tax assets 6,393,000 5,593,000  
Components of Deferred Tax Liabilities [Abstract]      
Intangible assets (17,952,000) (22,189,000)  
Intangible assets - foreign (7,452,000) (7,787,000)  
Property, plant and equipment (3,637,000) (3,208,000)  
Prepaid expenses (161,000) (47,000)  
Unrealized loss on hedge (19,000) 0  
Undistributed foreign earnings (10,000) 0  
Total deferred tax liabilities (29,231,000) (33,231,000)  
Net deferred tax asset (liability) 22,838,000 27,638,000  
Release of valuation allowance for foreign net operating loss carry forward 0 $ 0 $ (634,000)
Undistributed earnings on foreign subsidiaries 138,974,000    
GERMANY      
Components of Deferred Tax Liabilities [Abstract]      
Deferred Tax Assets, Operating Loss Carryforwards, Foreign 4,097,000    
Indefinite operating loss carryforwards, Foreign 3,960,000    
Minimum [Member]      
Components of Deferred Tax Liabilities [Abstract]      
Deferred tax liability not recognized, amount of unrecognized deferred tax liability, undistributed earnings of foreign subsidiaries 13,000,000    
Maximum [Member]      
Components of Deferred Tax Liabilities [Abstract]      
Deferred tax liability not recognized, amount of unrecognized deferred tax liability, undistributed earnings of foreign subsidiaries $ 15,000,000