Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.21.2
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Consolidated Balance Sheets      
Accounts receivable,allowance for doubtful accounts $ 709 $ 1,433  
Preferred stock, par value $ 0.0001   $ 0.0001
Preferred stock, shares authorized 5,000,000   5,000,000
Preferred stock, shares issued 0   0
Common stock, shares authorized 100,000,000   100,000,000
Common stock, shares issued 37,811,000 35,198,000  
Common stock, shares outstanding 33,800,000 31,228,000