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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Bad Debt Expense $ 115,000 $ 25,000  
Allowance for Doubtful Accounts 505,000   $ 390,000
Inventory Reserve 0   0
Amortization of Capitalized Software Development Costs 10,475 10,475  
Warranty Reserve 68,000   $ 68,000
Advertising and Promotional Expenses 266,000 46,000  
Research and Development Expenses $ 195,620 $ 59,458  
Warrants      
Potentially Dilutive Securities 1,880,383 2,099,857  
Options      
Potentially Dilutive Securities 132,500 103,750  
Cumulative Convertible Series A Preferred Stock      
Potentially Dilutive Securities 63,750 63,750  
Two Vendors | Accounts Payable      
Concentration Risk, Percentage     32.00%
Two Vendors | Cost of Sales      
Concentration Risk, Percentage 64.00%    
One Vendor | Accounts Payable      
Concentration Risk, Percentage 60.00%    
One Vendor | Cost of Sales      
Concentration Risk, Percentage   89.00%