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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Assets:    
Fixed assets, accumulated depreciation $ 18,193 $ 17,656
Intangible assets, accumulated amortization $ 1,441 $ 1,364
Shareholders' equity:    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 20,000,000 20,000,000
Common stock, shares issued (in shares) 14,001,935 13,956,725
Common stock, shares outstanding (in shares) 9,957,093 9,911,883
Treasury stock (in shares) 4,044,842 4,044,842