Annual report pursuant to Section 13 and 15(d)

4. Accounts Receivable (Details)

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4. Accounts Receivable (Details) (USD $)
Mar. 31, 2015
Mar. 31, 2014
Receivables [Abstract]    
Accounts receivable $ 1,720,000us-gaap_AccountsReceivableGrossCurrent $ 1,840,000us-gaap_AccountsReceivableGrossCurrent
Less: allowance for doubtful accounts (20,000)us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent (8,000)us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Accounts receivable, net $ 1,517,000us-gaap_AccountsReceivableNetCurrent $ 1,790,000us-gaap_AccountsReceivableNetCurrent