Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017
Deferred tax assets:
Accrued liabilities	$ 2,720	$ 3,892
Allowance for doubtful accounts	143	126
Inventory valuation reserve	20	38
Federal losses and credit carryforwards	42,713	64,953
Foreign net operating losses	623	392
State losses and credit carryforwards	9,592	9,474
Deferred revenue	652	704
Goodwill and other intangible assets	286	1,332
Other	96	152
Deferred tax assets, gross	56,845	81,063
Deferred Tax Assets, Valuation Allowance, Current	54,260
Less: valuation allowance	54,300	80,013
Total	2,585	1,050
Deferred tax liabilities:
Property and equipment & software amortization	(412)	(772)
Indefinite-lived goodwill & intangible assets	(2,277)	(3,459)
Deferred Tax Liabilities, Other	(104)	(3,181)
Total	(2,689)	(4,231)
Undistributed Earnings of Foreign Subsidiaries	$ 1,700	$ 1,300