Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 518,000	$ 5,424,000
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Depreciation	1,100,000	898,000
Amortization of intangible assets	331,000	350,000
Amortization of debt issuance costs	482,000	847,000
Write-off of debt issuance costs	5,108,000	0
Amortization of interest on accrued core payments	385,000	0
Loss due to change in fair value measurements using significant unobservable inputs	1,762,000	275,000
Provision for inventory reserves	2,362,000	895,000
Net recovery of customer payment discrepancies	(90,000)	(406,000)
Net recovery of doubtful accounts	(83,000)	(23,000)
Deferred income taxes	(2,877,000)	(514,000)
Share-based compensation expense	1,033,000	1,098,000
Loss on disposals of plant and equipment	0	1,000
Changes in current assets and liabilities:
Accounts receivable	16,573,000	21,286,000
Inventory	7,641,000	(1,328,000)
Inventory unreturned	(2,808,000)	(626,000)
Prepaid expenses and other current assets	(2,475,000)	554,000
Other assets	(239,000)	(161,000)
Accounts payable and accrued liabilities	12,403,000	(4,428,000)
Customer finished goods returns accrual	(473,000)	(772,000)
Deferred core revenue	0	102,000
Long-term core inventory	(42,045,000)	(12,889,000)
Long-term core inventory deposits	26,002,000	(462,000)
Accrued core payment	(6,515,000)	0
Other liabilities	1,082,000	2,472,000
Net cash provided by operating activities	19,177,000	12,593,000
Cash flows from investing activities:
Purchase of plant and equipment	(2,730,000)	(1,217,000)
Purchase of business	(3,200,000)	0
Change in short term investments	(739,000)	(64,000)
Net cash used in investing activities	(6,669,000)	(1,281,000)
Cash flows from financing activities:
Repayment of revolving loan	0	(10,000,000)
Borrowings under revolving loan	15,000,000	0
Borrowings under term loan	25,000,000	0
Repayments of term loan	(84,500,000)	(4,200,000)
Payments for debt issuance costs	(2,212,000)	0
Payments on capital lease obligations	(164,000)	(31,000)
Exercise of stock options	2,956,000	714,000
Excess tax benefit related to share-based compensation	2,975,000	490,000
Cash used to net share settle equity awards	(913,000)	(806,000)
Proceeds from issuance of common stock	0	71,760,000
Stock issuance costs	0	(4,785,000)
Net cash (used in) provided by financing activities	(41,858,000)	53,142,000
Effect of exchange rate changes on cash and cash equivalents	(182,000)	(8,000)
Net (decrease) increase in cash and cash equivalents	(29,532,000)	64,446,000
Cash and cash equivalents - Beginning of period	61,230,000	24,599,000
Cash and cash equivalents - End of period	31,698,000	89,045,000
Cash paid during the period for:
Interest, net	5,214,000	5,954,000
Income taxes, net of refunds	2,472,000	460,000
Non-cash investing and financing activities:
Property acquired under capital lease	1,569,000	4,000
Contingent consideration	$ 1,320,000	$ 0