Annual report pursuant to Section 13 and 15(d)

1. SUMMARY OF ACCOUNTING POLICIES (Tables)

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1. SUMMARY OF ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2012
Summary Of Accounting Policies Tables  
Product warranties

    2012     2011  
Beginning balance   $ 104,423     $ 100,293  
Warranty claims incurred     (66,278 )     (101,505 )
Provision charged to expense     31,598       105,635  
Ending balance   $ 69,743     $ 104,423