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Note 4 - Other Accrued Liabilities
6 Months Ended
Jun. 30, 2024
Notes to Financial Statements  
Other Liabilities Disclosure [Text Block]

Note 4.    Other Accrued Liabilities

 

Other accrued liabilities consist of the following as of  June 30, 2024 and December 31, 2023:

 

  

June 30,

  

December 31,

 
  

2024

  

2023

 

Professional services

 $714,000  $472,000 

Operating costs

  667,000   450,000 

Other

  1,017,000   304,000 

Total other accrued liabilities

 $2,398,000  $1,226,000