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Note 7 - Accounts Payable and Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

               
    December 31,     December 31,  
    2022     2021  

Accounts payable

  $ 1,222     $ 2,476  

Accrued compensation

    631       902  

Accrued income taxes

    137       342  

Other accrued expenses

    343       348  
    $ 2,333     $ 4,068