v3.21.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Accounts receivable, net of allowance $ 1,084 $ 936
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred Stock, authorized (shares) 10,000,000 10,000,000
Preferred Stock, issued (in shares) 0 0
Preferred stock, outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01  
Common Class A    
Common stock, authorized (in shares) 125,000,000 125,000,000
Common stock, issued (in shares) 13,322,000 9,999,000
Common stock, outstanding (in shares) 13,322,000 9,812,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common Class B    
Common stock, authorized (in shares) 10,000,000 10,000,000
Common stock, issued (in shares) 3,491,000 5,975,000
Common stock, outstanding (in shares) 3,491,000 5,975,000
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Common Class C    
Common stock, authorized (in shares) 100,000,000 100,000,000
Common stock, issued (in shares) 76,039,000 77,791,000
Common stock, outstanding (in shares) 76,039,000 77,791,000
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001