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Description of Business and Summary of Significant Accounting Policies (Details 4)
$ in Thousands
12 Months Ended
Mar. 31, 2015
USD ($)
Customer
Mar. 31, 2014
USD ($)
Customer
Concentration Risk [Line Items]    
Number of major customers 6 5
Concentration risk (in hundredths) 78.00% 96.00%
Accounts receivable | $ $ 88 $ 148
Accounts Receivable [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Number of major customers 3 4
Concentration risk (in hundredths) 100.00% 95.00%
Accounts receivable | $ $ 88 $ 148