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Consolidated Balance Sheets (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Consolidated Balance Sheets [Abstract]    
Accounts receivable allowance $ 2,128 $ 1,766
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 40,000 40,000
Common stock, shares issued (in shares) 7,408 382
Common stock, shares outstanding (in shares) 7,255 365
Treasury stock (in shares) 153 17