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Note 3 - Summary of Significant Accounting Policies (Details Textual)
12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Accounts Receivable, Allowance for Credit Loss, Ending Balance $ 0 $ 20,125 $ 0 $ 20,125
Asset Impairment Charges, Total     0 0
Advertising Expense     $ 184,075 $ 104,121
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate     0.00% 0.00%
Excess Tax Benefit From Share-based Compensation, Reclassification From Operating Activities to Financing Activities     $ 0 $ 0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 0   0  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total     0 0
Dilutive Securities, Effect on Basic Earnings Per Share, Total     $ 0  
Number of Reportable Segments     5  
Depreciation, Depletion and Amortization, Total     $ 511,698 $ 488,745
Shipping Coordination and Label Generation Service Segment [Member]        
Depreciation, Depletion and Amortization, Total     $ 511,698  
Minimum [Member]        
Property, Plant and Equipment, Useful Life (Year)     3 years  
Finite-Lived Intangible Asset, Useful Life (Year)     2 years  
Maximum [Member]        
Property, Plant and Equipment, Useful Life (Year)     8 years  
Finite-Lived Intangible Asset, Useful Life (Year)     17 years  
Revenue Benchmark [Member] | Customer Concentration Risk [Member]        
Number of Major Customers     0 0
Accounts Receivable [Member] | Customer Concentration Risk [Member]        
Number of Major Customers     0 0
CANADA | Revenue from Contract with Customer Benchmark [Member] | Geographic Concentration Risk [Member]        
Concentration Risk, Percentage     99.00% 96.00%
CANADA | Net Property and Equipment [Member] | Geographic Concentration Risk [Member]        
Concentration Risk, Percentage 100.00% 100.00%    
UNITED STATES | Revenue from Contract with Customer Benchmark [Member] | Geographic Concentration Risk [Member]        
Concentration Risk, Percentage     1.00% 4.00%