Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 7,508,000	$ 1,910,000
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation	715,000	517,000
Amortization of intangible assets	145,000	174,000
Amortization of debt issuance costs	171,000	334,000
Write-off of debt issuance costs	0	5,108,000
Amortization of interest on accrued core payments	191,000	190,000
(Gain) loss due to change in fair value of the warrant liability	(5,589,000)	1,142,000
(Gain) loss due to change in fair value of the contingent consideration	(16,000)	0
Net provision for inventory reserves	394,000	891,000
Net provision for (recovery of) customer payment discrepancies	189,000	(141,000)
Net provision for (recovery of) doubtful accounts	7,000	(85,000)
Deferred income taxes	(953,000)	(1,866,000)
Share-based compensation expense	729,000	516,000
Changes in current assets and liabilities:
Accounts receivable	(2,796,000)	6,897,000
Inventory	(15,422,000)	3,310,000
Inventory unreturned	121,000	(609,000)
Prepaid expenses and other current assets	(2,163,000)	960,000
Other assets	(4,941,000)	(113,000)
Accounts payable and accrued liabilities	7,630,000	1,387,000
Customer finished goods returns accrual	(2,830,000)	(152,000)
Long-term core inventory	(2,975,000)	(11,062,000)
Long-term core inventory deposits	0	(996,000)
Accrued core payment	1,638,000	(5,071,000)
Other liabilities	4,408,000	93,000
Net cash (used in) provided by operating activities	(13,839,000)	3,334,000
Cash flows from investing activities:
Purchase of plant and equipment	(1,568,000)	(619,000)
Purchase of business	0	(3,200,000)
Change in short-term investments	(133,000)	(188,000)
Net cash used in investing activities	(1,701,000)	(4,007,000)
Cash flows from financing activities:
Borrowings under revolving loan	15,000,000	15,000,000
Repayment of revolving loan	(1,000,000)	0
Borrowings under term loan	0	25,000,000
Repayments of term loan	(782,000)	(84,500,000)
Payments for debt issuance costs	(382,000)	(2,212,000)
Payments on capital lease obligations	(83,000)	(67,000)
Exercise of stock options	987,000	1,786,000
Excess tax benefits from stock-based compensation	0	1,786,000
Cash used to net share settle equity awards	(350,000)	0
Net cash provided by (used in) financing activities	13,390,000	(43,207,000)
Effect of exchange rate changes on cash and cash equivalents	(30,000)	(1,000)
Net decrease in cash and cash equivalents	(2,180,000)	(43,881,000)
Cash and cash equivalents - Beginning of period	21,897,000	61,230,000
Cash and cash equivalents - End of period	19,717,000	17,349,000
Cash paid during the period for:
Interest, net	2,423,000	3,172,000
Income taxes, net of refunds	70,000	86,000
Non-cash investing and financing activities:
Plant and equipment acquired under capital lease	40,000	1,569,000
Contingent consideration	$ 0	$ 1,320,000