Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
A. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Net income $ (393,197) $ 269,420 $ (944,701) $ 48,853    
Cash used in operating activities     (744,481) $ (424,881)    
Accumulated deficit (123,039,822)   (123,039,822)   $ (122,095,121)  
Working capital 207,634   207,634      
Line of credit balance 1,011,771   1,011,771   901,771  
Restricted cash on deposit 0   $ 0   31,277  
Shares excluded from EPS calculation     2,240,225 7,413,635    
Accounts receivable 2,127,433   $ 2,127,433   $ 2,263,347  
Guarantees and product warranty return percentage     1% to 3%   1% to 3%  
Warranty liabilities 77,310   $ 77,310   $ 66,555 $ 44,288
Revenues not billed [Member]            
Accounts receivable $ 137,403   $ 137,403   $ 170,000