Quarterly report pursuant to Section 13 or 15(d)

1. SUMMARY OF ACCOUNTING POLICIES (Tables)

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1. SUMMARY OF ACCOUNTING POLICIES (Tables)
3 Months Ended
Mar. 31, 2013
Accounting Policies [Abstract]  
Product warranties

Product warranties for the 12 months ended March 31, 2013 and December 31, 2012 is as follows:

 

    March 31, 2013     December 31, 2012  
Beginning balance   $ 69,743     $ 104,423  
Warranty claims incurred     (64,275 )     (66,278 )
Provision charged to expense     61,975       31,598  
Ending balance   $ 67,443     $ 69,743