Annual report pursuant to Section 13 and 15(d)

A. SUMMARY OF ACCOUNTING POLICIES (Details-Product warranties)

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A. SUMMARY OF ACCOUNTING POLICIES (Details-Product warranties) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Product warranties    
Beginning balance $ 69,743 $ 104,423
Warranty claims incurred (9,106) (66,278)
Provision charged to expense 17,306 31,598
Ending balance $ 77,943 $ 69,743