Quarterly report pursuant to Section 13 or 15(d)

A. SIGNIFICANT ACCOUNTING POLICIES (Details-Product warranties)

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A. SIGNIFICANT ACCOUNTING POLICIES (Details-Product warranties) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Product warranties    
Beginning balance $ 77,943 $ 69,743
Warranty claims incurred (4,711) (9,106)
Provision charged to expense 1,711 17,306
Ending balance $ 74,943 $ 77,943