v3.26.3
Note 8 - Line of Credit (Details Textual)
$ in Thousands
Apr. 28, 2023
USD ($)
Mar. 15, 2024
USD ($)
Mar. 31, 2023
USD ($)
Jan. 09, 2021
USD ($)
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Secured Overnight Financing Rate (SOFR) [Member]      
U.S. Bank N.A. [Member] | Revolving Credit Agreement, Addendum, and Stand-Alone Revolving Note [Member]        
Line of Credit Facility, Maximum Borrowing Capacity       $ 6,000
Debt Instrument, Basis Spread on Variable Rate 1.75%      
Long-Term Debt   $ 0    
U.S. Bank N.A. [Member] | Revolving Credit Agreement, Addendum, and Stand-Alone Revolving Note [Member] | Revolving Credit Facility [Member]        
Line of Credit Facility, Maximum Borrowing Capacity     $ 10,000  
Debt Instrument, Covenant, Minimum Liquid Assets $ 12,000   $ 12,000  
Debt Instrument, Covenant, Maximum EDITDA Ratio     3