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Balance Sheets (Parenthetical) (USD $)
Mar. 31, 2015
Mar. 31, 2014
Condensed Balance Sheets    
Accounts receivable, allowance for doubtful accounts (in dollars) $ 11,500us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 8,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Inventories, reserve for obsolescence (in dollars) 240,000us-gaap_InventoryValuationReserves 560,000us-gaap_InventoryValuationReserves
Accumulated amortization $ 153,494us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization $ 215,969us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Preferred stock, shares authorized 10,000,000us-gaap_PreferredStockSharesAuthorized 10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common stock and additional paid-in capital, shares authorized 100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized
Common stock and additional paid-in capital, shares issued 10,673,225us-gaap_CommonStockSharesIssued 10,673,225us-gaap_CommonStockSharesIssued
Common stock and additional paid-in capital, shares outstanding 10,673,225us-gaap_CommonStockSharesOutstanding 10,673,225us-gaap_CommonStockSharesOutstanding