Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Oct. 09, 2014
Line of Credit Facility [Line Items]              
Accumulated deficit $ 128,311,007   $ 128,311,007   $ 128,255,391    
Net Cash Used In Operating Activities     1,310,788 $ 795,754      
Current liabilities 3,530,098   3,530,098   3,917,030    
Accounts payable 1,127,740   1,127,740   1,043,007    
Accrued royalties 395,000   395,000   500,000    
Line of Credit, Current 266,293   266,293   $ 267,289    
Guarantees and product warranty return percentage         1% to 3%    
Warranty liabilities 17,551   17,551   $ 45,328 $ 58,791  
Advertising expense 2,750 $ 1,153 5,725 8,315      
Research and development expenses 268,917 231,088 876,778 892,179      
Stock based compensation expenses 1,815 $ 1,815 5,446 $ 5,446      
Heritage Bank [Member] | Revolving Credit Facility [Member]              
Line of Credit Facility [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity 2,000,000   2,000,000       $ 2,000,000
Line of Credit, Current 266,293   266,293   $ 267,289    
License Agreement [Member]              
Line of Credit Facility [Line Items]              
Current liabilities 132,000   132,000        
Accounts payable 27,000   27,000        
Accrued royalties - long-term $ 105,000   $ 105,000