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Note 2 - Basis of Presentation and Significant Accounting Policies (Details Textual)
3 Months Ended
Mar. 31, 2022
USD ($)
shares
Mar. 31, 2021
USD ($)
shares
Dec. 31, 2021
USD ($)
Oct. 22, 2021
Factoring Agreement, Advance Amount, Percentage of Accounts Receivable 85.00%      
Factoring Agreement, Receivables Term Oustanding (Day) 90 days      
Factoring Agreement, Percentage of Receivables, Collateral 15.00%      
Transfer of Financial Assets Accounted for as Sales, Fair Value of Derecognized Assets $ 0 $ 1,455,135    
Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding 0 218,270    
Asset Impairment Charges, Total 0 0    
Deferred Offering Costs 0   $ 0  
Advertising Expense $ 7,750 $ 5,402    
Weighted Average Number of Shares Outstanding, Basic, Total (in shares) | shares 33,228,202 6,702,686    
Weighted Average Number of Shares Outstanding, Diluted, Total (in shares) | shares   10,069,021    
Merger Agreement [Member]        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Per Acquiree Share       2.95
Convertible Preferred Stock Warrants [Member]        
Warrants and Rights Outstanding $ 0      
Computer Hardware, Software, Production and Computer Equipment and Lab Equipment [Member] | Minimum [Member]        
Property, Plant and Equipment, Useful Life (Year) 3 years      
Computer Hardware, Software, Production and Computer Equipment and Lab Equipment [Member] | Maximum [Member]        
Property, Plant and Equipment, Useful Life (Year) 5 years      
Furniture and Fixtures [Member]        
Property, Plant and Equipment, Useful Life (Year) 7 years      
Customer Concentration Risk [Member] | Revenue Benchmark [Member]        
Number of Major Customers 1 1    
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | One Customer [Member]        
Concentration Risk, Percentage 85.00% 80.00%    
Customer Concentration Risk [Member] | Accounts Receivable [Member] | One Customer [Member]        
Concentration Risk, Percentage 80.00%