Income Taxes Components of Income Tax Expense and (Benefit) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Current tax provision (benefit):
Federal	$ (76)us-gaap_CurrentFederalTaxExpenseBenefit	$ (200)us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit
State	22	(291)	(10)
Foreign	338us-gaap_CurrentForeignTaxExpenseBenefit	376us-gaap_CurrentForeignTaxExpenseBenefit	208us-gaap_CurrentForeignTaxExpenseBenefit
Current tax provision (benefit) - Total	284us-gaap_CurrentIncomeTaxExpenseBenefit	(115)us-gaap_CurrentIncomeTaxExpenseBenefit	198us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred tax provision (benefit):
Federal	(545)	(1,437)	(825)
State	(178)	(515)	(355)
Foreign	15	(116)	2
Deferred tax provision (benefit) - Total	(708)us-gaap_DeferredIncomeTaxExpenseBenefit	(2,068)us-gaap_DeferredIncomeTaxExpenseBenefit	(1,178)us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax expense (benefit)	$ (424)us-gaap_IncomeTaxExpenseBenefit	$ (2,183)us-gaap_IncomeTaxExpenseBenefit	$ (980)us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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