v3.26.1
Note 4 - Other Accrued Liabilities (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Other Liabilities [Table Text Block]
  

June 30,

  

December 31,

 
  

2026

  

2025

 

Professional services

 $546,000   141,000 

Operating costs

  1,213,000   1,026,000 

Other

  439,000   585,000 

Total other accrued liabilities

 $2,198,000  $1,752,000