Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015
Deferred tax assets:
Accrued liabilities	$ 5,567	$ 3,961
Allowance for doubtful accounts	198	297
Inventory valuation reserve	54	24
Federal losses and credit carryforwards	59,855	58,992
Foreign net operating losses	295	326
State losses and credit carryforwards	9,591	10,162
Deferred revenue	423	146
Goodwill and other intangible assets	2,281	3,129
Other	365	374
Deferred tax assets, gross	78,629	77,411
Deferred Tax Assets, Valuation Allowance, Current	77,846
Less: valuation allowance	77,900	76,420
Total	783	991
Deferred tax liabilities:
Property and equipment & software amortization	(478)	(690)
Indefinite-lived goodwill & intangible assets	(3,352)	(3,324)
Deferred Tax Liabilities, Other	3,047	3,023
Total	(3,830)	(4,014)
Undistributed Earnings of Foreign Subsidiaries	$ 1,000	$ 700