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Note 9 - Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
  

As of December 31, 2022

 
  

Level 1

  

Level 2

  

Level 3

  

Total

 

Assets:

                

Interest rate cap

  -   -   -   - 

Total fair value of assets measured on a recurring basis

  -   -   -   - 
                 

Liabilities:

                

Interest rate cap

  -   (113)  -   (113)
                 

Total fair value of liabilities measured on a recurring basis

  -   (113)  -   (113)