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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
CURRENT ASSETS:    
Accounts receivable, less allowances of $0 and $322 $ 0 $ 322
SHAREHOLDERS’ EQUITY:    
Preferred stock, par value (in USD per share) $ 0.10 $ 0.10
Preferred stock, shares authorized (in shares) 14,399,000 14,399,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in USD per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 71,912,000 71,720,000
Common stock, shares outstanding (in shares) 29,657,000 30,689,000
Treasury stock, shares of common held at cost (in shares) 42,255,000 41,031,000