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Note 5 - Fair Value of Financial Instruments (Tables)
 9 Months Ended
Sep. 30, 2025
Notes Tables  
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block]
   

September 30, 2025

  

(in thousands)

     Total       Level 1       Level 2       Level 3  

Cash

   $ 1,102     $ 1,102     $ -     $ -  

Notes receivable

     6,852       -       6,852       -  

Accounts receivable

     46,937       -       46,937       -  

Total assets at fair value

   $ 54,891     $ 1,102     $ 53,789     $ -  
                                 

Line of credit

     2,203       -       2,203       -  

Total liabilities at fair value

   $ 2,203     $ -     $ 2,203     $ -  
   

December 31, 2024

  

(in thousands)

     Total       Level 1       Level 2       Level 3  

Cash

   $ 2,219     $ 2,219     $ -     $ -  

Notes receivable

     7,830       -       7,830       -  

Accounts receivable

     42,348       -       42,348       -  

Total assets at fair value

   $ 52,397     $ 2,219     $ 50,178     $ -  
                                 

Term loan payable

   $ 88     $ -     $ 88     $ -  

Line of credit

     6,829       -       6,829       -  

Total liabilities at fair value

   $ 6,917     $ -     $ 6,917     $ -