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Note 11 - Commitments and Contingencies (Details Textual)
12 Months Ended
Mar. 01, 2022
USD ($)
ft²
Jul. 30, 2020
USD ($)
May 01, 2019
USD ($)
Jun. 21, 2018
USD ($)
ft²
Jun. 30, 2025
USD ($)
Located at 5252 South Commerce Drive [Member]          
Area of Real Estate Property (Square Foot) | ft² 5,000     9,800  
Lessee, Operating Lease, Term of Contract (Year)       3 years  
Operating Leases, Monthly Rent Expense $ 5,871     $ 10,200  
Lessee, Operating Lease, Renewal Term (Year) 3 years       3 years
Percentage of Monthly Rent Increase Each Year 3.00%        
Operating Lease, Expense         $ 50,007
U.S. Bank [Member]          
Repayments of Long-Term Debt, Total   $ 960,208      
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total   64,721      
Repayments of Long Term Debt, Penalty   $ 0      
Lease Amount of Funds Borrowed [Member] | U.S. Bank [Member]          
Long-Term Debt     $ 1,269,000    
Debt Instrument, Term (Month)     48 months    
Debt Instrument, Interest Rate, Stated Percentage     5.00%    
Debt Instrument, Periodic Payment, Total     $ 29,097