Income Taxes (Details) (USD $)	3 Months Ended								12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Current tax expense [Abstract]
Federal									$ 4,564,000	$ 31,226,000	$ 5,081,000
State									614,000	3,368,000	319,000
Foreign									599,000	336,000	228,000
Total current tax expense									5,777,000	34,930,000	5,628,000
Deferred tax expense (benefit) [Abstract]
Federal									2,477,000	(25,074,000)	1,224,000
State									(162,000)	(2,706,000)	542,000
Foreign									(759,000)	282,000	(9,000)
Total deferred tax (benefit) expense									1,556,000	(27,498,000)	1,757,000
Total income tax expense	3,311,000	2,317,000	1,631,000	74,000	1,195,000	880,000	3,923,000	1,434,000	7,333,000	7,432,000	7,385,000
Assets [Abstract]
Accounts receivable valuation	3,926,000				4,713,000				3,926,000	4,713,000
Allowance for customer incentives	1,343,000				1,222,000				1,343,000	1,222,000
Inventory obsolescence reserve	1,070,000				966,000				1,070,000	966,000
Stock options	1,426,000				1,488,000				1,426,000	1,488,000
Cancellation of indebtedness	0				20,510,000				0	20,510,000
Intangibles, net	796,000				704,000				796,000	704,000
Deferred core revenue	2,885,000				2,259,000				2,885,000	2,259,000
Claims payable	88,000				175,000				88,000	175,000
Accrued compensation	1,787,000				1,786,000				1,787,000	1,786,000
Net operating losses	9,117,000				190,000				9,117,000	190,000
Other	2,217,000				2,320,000				2,217,000	2,320,000
Total deferred tax assets	24,655,000				36,333,000				24,655,000	36,333,000
Liabilities [Abstract]
Prepaid expenses	(331,000)				(642,000)				(331,000)	(642,000)
Property and equipment, net	(298,000)				(391,000)				(298,000)	(391,000)
Estimate for returns	(916,000)				(219,000)				(916,000)	(219,000)
Other	(1,866,000)				(2,281,000)				(1,866,000)	(2,281,000)
Total deferred tax liabilities	(3,411,000)				(3,533,000)				(3,411,000)	(3,533,000)
Net deferred tax assets	21,244,000				32,800,000				21,244,000	32,800,000
Net current deferred income tax asset	18,630,000				30,851,000				18,630,000	30,851,000
Net long-term deferred income tax assets	2,614,000				1,949,000				2,614,000	1,949,000
Current deferred income tax liabilities	137,000				145,000				137,000	145,000
Long-term deferred income tax liabilities					428,000					428,000
Federal net operating loss carryforwards	26,100,000								26,100,000
State net operating loss carryforwards	22,300,000								22,300,000
Net operating loss carryforwards expire period									between 2020 and 2032
Losses attributable to windfall stock option deductions									5,800,000
Net benefit to be recorded to APIC when realized									2,200,000
Income tax benefit from discontinued operations									10,530,000
Difference between income tax expense at the federal statutory rate and effective tax rate [Abstract]
Statutory federal income tax rate (in hundredths)									34.00%	34.00%	34.00%
State income tax rate, net of federal benefit (in hundredths)									2.00%	2.00%	3.00%
Change in deferred tax rate (in hundredths)									(2.00%)	0.00%	(1.00%)
Foreign income taxed at different rates (in hundredths)									(7.00%)	0.00%	(3.00%)
Warrants (in hundredths)									26.00%	0.00%	0.00%
Non-deductible executive compensation (in hundredths)									2.00%	0.00%	0.00%
Uncertain tax positions (in hundredths)									(2.00%)	0.00%	0.00%
Other income tax (in hundredths)									0.00%	(2.00%)	1.00%
Total (in hundredths)									53.00%	34.00%	34.00%
Unrecognized tax benefits [Roll Forward]
Balance at beginning of period				827,000				634,000	827,000	634,000	576,000
Additions based on tax positions related to the current year									71,000	227,000	116,000
Additions for tax positions of prior year									0	0	18,000
Reductions for tax positions of prior year									(358,000)	(34,000)	(76,000)
Settlements									0	0	0
Balance at end of period	540,000				827,000				540,000	827,000	634,000
Unrecognized tax benefits that would impact effective tax rate	387,000				597,000				387,000	597,000	480,000
Recognized interest and penalties									(9,000)	32,000	6,000
Interest and penalties accrued	$ 112,000				$ 121,000				$ 112,000	$ 121,000