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Income Taxes Losses From Operations (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Income Tax Disclosure [Abstract]      
United States $ (5,940)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ (9,641)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ (25,827)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Non-United States 152us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign 306us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign (322)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Loss from continuing operations before income taxes $ (5,788)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments $ (9,335)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments $ (26,149)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments