v3.25.2
Note 5 - Investments (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Investment [Table Text Block]
  

June 30, 2025

  

December 31, 2024

 
      

Cost/Amortized

      

Cost/Amortized

 
  

Fair Value

  

Cost, Net

  

Fair Value

  

Cost, Net

 

U.S. government and agency securities, held-to-maturity (1)

 $-  $-  $1,000  $1,000 

Investment in common stock (2)

  12,469   12,469   -   - 

Investment in limited partnership, at net asset value (3)

  1,818   1,818   2,183   2,183 

Total investments

 $14,287  $14,287  $3,183  $3,183 
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
  

June 30, 2025

 
              

Total Fair

  

Carrying

 
  

Level 1

  

Level 2

  

Level 3

  

Value

  

Value

 

Investment in common stock

 $-  $12,469  $-  $12,469  $12,469 
  

December 31, 2024

 
              

Total Fair

  

Carrying

 
  

Level 1

  

Level 2

  

Level 3

  

Value

  

Value

 

Investment in common stock

 $-  $-  $-  $-  $- 

U.S. government and agency securities, held-to-maturity

 $-  $1,000  $-  $1,000  $1,000 
Investment Income [Table Text Block]
  

For the Three Months Ended

  

For the Six Months Ended

 
  

June 30, 2025

  

June 30, 2024

  

June 30, 2025

  

June 30, 2024

 
                 

Interest on:

                

Cash equivalents

 $90  $100  $183  $203 

Fixed income securities

  -   24   1   53 

Dividends on investment in HC Series B Stock

  -   -   -   256 

Change in NAV of investment in limited partnership

  35   15   (27)  51 

Less: Investment expense

  (1)  (1)  (1)  (2)

Net investment income

 $124  $138  $156  $561