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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Bad debt expense $ 25,000 $ 58,490  
Allowance for doubtful accounts 135,000   $ 110,000
Inventory reserve 0   100,000
Operating Lease Right of Use Asset 664,198   674,471
Lease liability 1,089,316   1,105,923
Amortization of capitalized software development costs 10,475 0  
Warranty reserve $ 60,000   $ 30,000
Potentially dilutive securities, convertible debentures 9,259,250    
Potentially dilutive securities, outstanding warrants 26,800,611    
Potentially dilutive securities, outstanding options 620,000    
Potentially dilutive securities, convertible Series A preferred stock 510,000    
Advertising and promotional expenses $ 46,000 40,000  
Research and development expenses $ 59,458 $ 92,577  
One customers | Accounts Receivable      
Concentration risk, percentage 12.00%    
Three Customers | Accounts Receivable      
Concentration risk, percentage     37.00%
One Customer | Revenue, Net      
Concentration risk, percentage 31.00%    
Two Customers | Revenue, Net      
Concentration risk, percentage   45.00%  
One Vendor | Accounts Payable      
Concentration risk, percentage 33.00%   40.00%
One Vendor | Cost of Sales      
Concentration risk, percentage 89.00% 67.00%