Quarterly report pursuant to Section 13 or 15(d)

A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details-Product warranties)

v3.4.0.3
A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details-Product warranties) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Product warranties    
Beginning balance $ 66,555 $ 44,288
Warranty claims incurred (14,733) (52,833)
Provision charged to expense 22,000 75,100
Ending balance $ 73,822 $ 66,555