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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
CONDENSED CONSOLIDATED BALANCE SHEETS    
Accounts receivable, net of allowance for doubtful accounts $ 910 $ 730
Serial preferred stock, shares authorized 4,998,000 4,998,000
Serial preferred stock, outstanding 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 75,000,000 75,000,000
Common stock, shares issued 30,556,000 30,347,000
Common stock, shares outstanding 27,372,000 27,163,000
Treasury stock, shares 3,184,000 3,184,000