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Intangible Assets, Amortization Expense (Details) (USD $)
3 Months Ended 9 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Amortization expense for acquired intangible assets [Abstract]        
Amortization expense $ 160,000us-gaap_AmortizationOfIntangibleAssets $ 180,000us-gaap_AmortizationOfIntangibleAssets $ 510,000us-gaap_AmortizationOfIntangibleAssets $ 558,000us-gaap_AmortizationOfIntangibleAssets
Estimated future amortization expense for intangible assets subject to amortization [Abstract]        
2015 - remaining three months 160,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear   160,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear  
2016 349,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo   349,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2017 266,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree   266,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2018 266,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour   266,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2019 266,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive   266,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Thereafter 1,427,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive   1,427,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive  
Total $ 2,734,000us-gaap_FiniteLivedIntangibleAssetsNet   $ 2,734,000us-gaap_FiniteLivedIntangibleAssetsNet