Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 5,424,000	$ 103,144,000
Less income from discontinued operations	0	100,877,000
Income from continuing operations	5,424,000	2,267,000
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Depreciation	898,000	1,038,000
Amortization of intangible assets	350,000	378,000
Amortization of debt issuance costs	847,000	924,000
Loss due to change in fair value of warrant liability	275,000	3,961,000
Provision for inventory reserves	895,000	908,000
Net recovery of customer payment discrepancies	(406,000)	(172,000)
Net recovery of doubtful accounts	(23,000)	(8,000)
Deferred income taxes	(514,000)	(78,000)
Share-based compensation expense	1,098,000	241,000
Loss on disposals of plant and equipment	1,000	0
Changes in current assets and liabilities:
Accounts receivable	21,286,000	2,785,000
Inventory	(1,328,000)	(1,267,000)
Inventory unreturned	(626,000)	(981,000)
Prepaid expenses and other current assets	554,000	5,597,000
Other assets	(161,000)	(236,000)
Accounts payable and accrued liabilities	(4,428,000)	(698,000)
Customer finished goods returns accrual	(772,000)	(329,000)
Deferred core revenue	102,000	279,000
Long-term core inventory	(12,889,000)	(10,594,000)
Long-term core inventory deposits	(462,000)	(465,000)
Other liabilities	2,472,000	3,970,000
Net cash provided by operating activities from continuing operations	12,593,000	7,520,000
Net cash provided by operating activities from discontinued operations	0	979,000
Net cash provided by operating activities	12,593,000	8,499,000
Cash flows from investing activities:
Purchase of plant and equipment	(1,217,000)	(1,483,000)
Change in short term investments	(64,000)	(18,000)
Net cash used in investing activities from continuing operations	(1,281,000)	(1,501,000)
Net cash used in investing activities from discontinued operations	0	(295,000)
Net cash used in investing activities	(1,281,000)	(1,796,000)
Cash flows from financing activities:
Repayment of revolving loan	(10,000,000)	0
Proceeds from term loan	0	20,000,000
Repayments of term loan	(4,200,000)	(1,200,000)
Deferred financing costs	0	(600,000)
Payments on capital lease obligations	(31,000)	(118,000)
Exercise of stock options	714,000	0
Excess tax benefit related to share-based compensation	490,000	0
Cash used to net share settle equity awards	(806,000)	0
Proceeds from issuance of common stock	71,760,000	0
Stock issuance costs	(4,785,000)	0
Net cash provided by financing activities from continuing operations	53,142,000	18,082,000
Net cash used in financing activities from discontinued operations	0	(20,636,000)
Net cash provided by (used in) financing activities	53,142,000	(2,554,000)
Effect of exchange rate changes on cash and cash equivalents	(8,000)	(34,000)
Net increase in cash and cash equivalents	64,446,000	4,115,000
Cash and cash equivalents - Beginning of period from continuing operations	24,599,000	19,346,000
Cash and cash equivalents - Beginning of period from discontinued operations	0	88,000
Cash and cash equivalents - End of period	89,045,000	23,549,000
Less Cash - End of period from discontinued operations	0	0
Cash and cash equivalents - End of period from continuing operations	89,045,000	23,549,000
Cash paid during the period for:
Interest	5,954,000	7,622,000
Income taxes, net of refunds	460,000	(6,940,000)
Non-cash investing and financing activities:
Property acquired under capital lease	$ 4,000	$ 34,000