Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)

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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($)
 1 Months Ended 12 Months Ended
Jan. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Deferred Revenue   $ 315,370 $ 936,428
Number of Warrants Outstanding   1,587,553  
Number of incentive stock options   451,898  
Product warranty Period   90 days  
Reverse split 1-for-14    
Cash, uninsured balance   $ 3,490,000  
Series B Convertible Preferred Stock [Member]      
Number of Shares upon Conversion   243,571  
Minimum [Member]      
Estimated economic life of the property and equipment   3 years  
Product warranty Period   12 months  
Maximum [Member]      
Estimated economic life of the property and equipment   5 years  
Product warranty Period   36 months  
Patents and Trademarks [Member]      
Estimated economic life of the property and equipment   17 years