Quarterly report pursuant to Section 13 or 15(d)

A. SIGNIFICANT ACCOUNTING POLICIES (Details-Product warranties)

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A. SIGNIFICANT ACCOUNTING POLICIES (Details-Product warranties) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Product warranties    
Beginning balance $ 44,288us-gaap_ProductWarrantyAccrual $ 77,943us-gaap_ProductWarrantyAccrual
Warranty claims incurred (19,639)us-gaap_ProductWarrantyAccrualWarrantiesIssued (45,710)us-gaap_ProductWarrantyAccrualWarrantiesIssued
Provision charged to expense 40,264us-gaap_ProductWarrantyAccrualPayments 12,055us-gaap_ProductWarrantyAccrualPayments
Ending balance $ 64,913us-gaap_ProductWarrantyAccrual $ 44,288us-gaap_ProductWarrantyAccrual