Quarterly report pursuant to Section 13 or 15(d)

A. SUMMARY OF ACCOUNTING POLICIES (Tables)

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A. SUMMARY OF ACCOUNTING POLICIES (Tables)
9 Months Ended
Sep. 30, 2015
Accounting Policies [Abstract]  
Product warranties
    September 30,
2015
    December 31,
2014
 
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