Quarterly report pursuant to Section 13 or 15(d)

A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Accounting Policies [Abstract]        
Net income $ 120,122 $ (744,078)    
Cash used in operating activities (90,087) $ (415,103)    
Accumulated deficit (121,974,999)   $ (122,095,121)  
Working capital $ 208,213      
Line of credit interest rate description Prime rate plus 3.00%      
Line of credit maturity date Sep. 30, 2018      
Line of credit balance $ 1,061,771   901,771  
Line of credit remaining borrowing capacity 687,000      
Restricted cash on deposit $ 31,277   $ 31,277  
Shares excluded from EPS calculation 7,463,635 9,845,758    
Guarantees and product warranty return percentage 1.00%   2.00%  
Warranty liabilities $ 73,822   $ 66,555 $ 44,288