v3.26.1
Note 8 - Borrowings (Details Textual) - Regions Bank and PNC Bank N.A. [Member] - Revolving Credit Facility [Member] - USD ($)
Feb. 19, 2025
Mar. 31, 2026
Dec. 31, 2025
Line of Credit Facility, Expiration Period (Year) 5 years    
Line of Credit Facility, Maximum Borrowing Capacity $ 35,000    
Line of Credit Facility Sublimit for Letters of Credit 30,000,000    
Line of Credit Facility Swingline Loans $ 15,000,000    
Long-Term Line of Credit   $ 0 $ 0