XML 34 R23.htm IDEA: XBRL DOCUMENT v3.25.3
Note 4 - Other Accrued Liabilities (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Other Liabilities [Table Text Block]
  

September 30,

  

December 31,

 
  

2025

  

2024

 

Professional services

 $75,000  $167,000 

Operating costs

  1,082,000   858,000 

Other

  912,000   863,000 

Total other accrued liabilities

 $2,069,000  $1,888,000