Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Consolidated Balance Sheets    
Accounts receivable, allowance for doubtful accounts $ 1,117 $ 461
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 38,900,875 34,350,329
Common stock, shares outstanding 38,900,875 34,350,329