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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 66,666,000 66,666,000
Common stock, shares issued (in shares) 7,409,000 7,266,000
Common stock, shares outstanding (in shares) 7,409,000 7,266,000
Related Party [Member] | Consolidated Term Loan [Member]    
Loans payable, discount, current $ 747 $ 745
Loans payable, discount, noncurrent 469 840
Related Party [Member] | Acquisition Term Loan [Member]    
Loans payable, discount, noncurrent $ 1,139 $ 1,484