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Consolidated Condensed Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Statement Of Financial Position [Abstract]    
Accounts receivable, allowance $ 1,639 $ 1,193
Common Stock, par value
Common Stock, shares authorized 55,000,000 55,000,000
Common Stock, shares issued 32,598,854 32,674,354
Common Stock, shares outstanding 32,598,854 32,674,354