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Accounts Receivable - Net (Details) - USD ($)
Dec. 31, 2015
Mar. 31, 2015
Accounts Receivable - Net [Abstract]    
Accounts receivable - trade $ 52,662,000 $ 62,171,000
Allowance for bad debts (4,761,000) (629,000)
Customer allowances earned (9,734,000) (7,221,000)
Customer payment discrepancies (648,000) (852,000)
Customer returns RGA issued (6,836,000) (7,029,000)
Customer core returns accruals (29,147,000) (21,641,000)
Less: total accounts receivable offset accounts (51,126,000) (37,372,000)
Total accounts receivable - net $ 1,536,000 $ 24,799,000