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Note 9 - Accrued Expenses and Other Current Liabilities (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
  

March 31,

  

December 31,

 
  

2024

  

2023

 
  

(in thousands)

 

Unearned revenue from contracts with customers

 $2,805  $3,243 

Accrued fines and penalties

  522   522 

Insurance

  264   467 

Other payable

  165   297 

Customer deposits

  163   163 

Taxes payable

  160   142 

Board of director fees payable

  -   250 
  $4,079  $5,084