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 ($)
9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Product warranties    
Beginning balance $ 44,288 $ 77,943
Warranty claims incurred (41,876) (45,710)
Provision charged to expense 79,200 12,055
Ending balance $ 81,612 $ 44,288