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Note 18 - Subsequent Events (Details Textual) - USD ($)
9 Months Ended
Jan. 28, 2025
Jan. 15, 2025
Dec. 31, 2024
Dec. 31, 2023
Sep. 08, 2023
Jul. 31, 2023
Proceeds from (Repayments of) Notes Payable     $ (510,000) $ (227,000)    
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Wall Street Journal Money Rate [Member]          
Revolving Credit Facility [Member]            
Debt Instrument, Covenant, Deposits Held         $ 5,000,000 $ 8,000,000
Line of Credit Facility, Interest Rate at Period End     10.00%      
Subsequent Event [Member] | Revolving Credit Facility [Member]            
Debt Instrument, Covenant, Deposits Held $ 5,000,000          
Debt Instrument, Basis Spread on Variable Rate 2.50%          
Line of Credit Facility, Interest Rate at Period End 10.00%          
Subsequent Event [Member] | Revolving Credit Facility [Member] | Minimum [Member]            
Line of Credit Facility, Interest Rate at Period End 7.50%          
Subsequent Event [Member] | Promissory Note [Member]            
Long-Term Debt, Gross $ 3,750,000          
Proceeds from (Repayments of) Notes Payable (3,250,000)          
Debt Instrument, Periodic Payment 400,000          
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid $ 151,291.67          
Enterprise Service and Advertising Agreement [Member] | Guarantee of Business Revenue [Member] | Subsequent Event [Member]            
Revenue from Collaborative Arrangement, Excluding Revenue from Contract with Customer   $ 15,000,000