Annual report pursuant to Section 13 and 15(d)

A. SUMMARY OF ACCOUNTING POLICIES (Details Narrative)

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A. SUMMARY OF ACCOUNTING POLICIES (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Net loss $ (189,104) $ 42,830  
Cash used in operating activities (401,920) (4,601)  
Accumulated deficit (122,095,121) (121,906,017)  
Working capital (33,312)    
Line of credit balance 901,771 628,204  
Restricted cash on deposit 31,277 63,000  
Allowance for doubtful accounts 23,343 36,873  
Inventory impairment charge   46,600  
Inventory value adjustment $ 2,000    
Property and equipment useful lives 2 to 10 years    
Intangible useful life (in years) 12 years    
Impairment on long-lived assets $ 0 $ 0  
Shares excluded from EPS calculation 7,463,635 9,845,758  
Guarantees and product warranty return percentage 1.00% 3.00%  
Warranty liabilities $ 66,555 $ 44,288 $ 77,943
Advertising costs incurred 15,978 15,021  
Research and development expenses 1,605,667 1,312,488  
Stock based compensation expenses 14,383 15,046  
Lease liability 0 46,673  
Loan Agreement [Member]      
Line of credit maximum borrowing capacity   $ 2,000,000  
Line of credit interest rate description   Prime Rate plus 3.00%  
Line of credit maturity date   Sep. 30, 2018  
Line of credit balance 901,771 $ 628,204  
Line of credit remaining borrowing capacity $ 532,700