Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Summary of Significant Accounting Policies - Concentrations Risk (Details)

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Note 2 - Summary of Significant Accounting Policies - Concentrations Risk (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Revenue Benchmark [Member] | Customer Concentration Risk [Member]          
Number of customers 2 2 2 2  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member]          
Concentration risk, percentage 34.00% 43.00% 25.00% 54.00%  
Revenue Benchmark [Member] | Product Concentration Risk [Member] | Advertising and Sponsorships [Member]          
Concentration risk, percentage 19.00% 28.00% 12.00% 40.00%  
Revenue Benchmark [Member] | Product Concentration Risk [Member] | Direct To Consumer [Member]          
Concentration risk, percentage 15.00% 15.00% 13.00% 14.00%  
Revenue Benchmark [Member] | Product Concentration Risk [Member] | Advertising and Sponsorships and Direct To Consumer [Member]          
Concentration risk, percentage 34.00% 43.00% 25.00% 54.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member]          
Number of customers     2    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member]          
Concentration risk, percentage     34.00%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Four Customers [Member]          
Number of customers         4
Concentration risk, percentage         61.00%
Accounts Payable [Member] | Supplier Concentration Risk [Member]          
Number of customers     2    
Accounts Payable [Member] | Supplier Concentration Risk [Member] | Two Vendors [Member]          
Concentration risk, percentage     29.00%    
Accounts Payable [Member] | Supplier Concentration Risk [Member] | One Vendor [Member]          
Number of customers         1
Concentration risk, percentage         55.00%