Quarterly report pursuant to Section 13 or 15(d)

1. SUMMARY OF ACCOUNTING POLICIES (Details)

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1. SUMMARY OF ACCOUNTING POLICIES (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Accounting Policies [Abstract]    
Beginning balance $ 69,743 $ 104,423
Warranty expenses incurred (64,275) (66,278)
Provision charged to expense 61,975 31,598
Ending balance $ 67,443 $ 69,743