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Note 3 - Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 12 Months Ended
Mar. 21, 2023
USD ($)
Mar. 20, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Accounts Receivable, Allowance for Credit Loss, Ending Balance     $ 36,845 $ 0   $ 36,845 $ 0
Asset Impairment Charges, Total           0 0
Advertising Expense           $ 247,549 $ 184,075
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued         $ 25,000    
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
Number of Reportable Segments           6 6
Depreciation, Depletion and Amortization, Total           $ 325,940 $ 511,698
Shipping Coordination and Label Generation Service Segment [Member]              
Depreciation, Depletion and Amortization, Total           325,940 $ 511,698
Shipping Coordination and Label Generation Service Segment [Member] | Transfer Price Adjustments From Corporate Operations [Member]              
Prior Period Reclassification Adjustment           $ 537,602  
Subsequent Event [Member]              
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued $ 82,180 $ 82,180          
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% 99.00%
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% 1.00%