Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
CONSOLIDATED BALANCE SHEETS    
Accounts receivable allowance for doubtful accounts $ 333 $ 351
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 170,000,000 170,000,000
Common stock, shares issued 26,365,169 25,926,333
Common stock, shares outstanding 25,896,001 25,336,442
Treasury stock at par 469,168 589,891