v3.26.1
Note 4 - Other Accrued Liabilities (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Other Liabilities [Table Text Block]
  

March 31,

  

December 31,

 
  

2026

  

2025

 

Professional services

 $317,000   141,000 

Operating costs

  986,000   1,026,000 

Other

  620,000   585,000 

Total other accrued liabilities

 $1,923,000  $1,752,000