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, 2017
Dec. 31, 2016
Dec. 29, 2017
Sep. 29, 2017
Dec. 31, 2015
Net loss $ (3,496,741) $ (4,003,671)      
Cash used in operating activities (3,077,664) (627,112)      
Accumulated deficit (119,724,656) (123,471,034)      
Working capital 10,162,776        
Line of credit balance 682,211 1,062,129      
Line of credit 682,211 0      
Line of credit remaining borrowing capacity 202,000 107,000      
Restricted cash 810,000 0      
Allowance for doubtful accounts 22,173 34,573     $ 13,299
Inventory value adjustment $ 111,400 18,900      
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 4,626,474 3,132,725      
Guarantees and product warranty return percentage 1.00% 3.00%      
Advertising expense $ 33,520 $ 31,573      
Research and development expenses 1,770,597 1,658,640      
Stock based compensation expenses 322,888 55,050      
Warranty liabilities 59,892 95,540     $ 66,555
Accounts receivable 978,207 765,617      
Escrow deposit 800,000   $ 10,000 $ 100,000  
Discontinued operation cash   106,743      
Revenue recognized that has not been billed [Member]          
Accounts receivable $ 261,800 $ 214,821