CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Allowance for doubtful accounts	$ 1,032	$ 1,296
Common stock par value	$ 0.01	$ 0.01
Common stock share authorized	300,000,000	72,187,845
Common stock share issued	77,360,806	47,567,010
Common stock shares, outstanding	76,447,287	46,738,540
Treasury stock share issued	913,519	828,470
Series A Convertible Preferred Stock
Convertible preferred stock, par value	$ 0.01	$ 0.01
Cumulative preferred dividends	$ 0	$ 0
Convertible preferred stock, authorized	0	13,812,500
Convertible preferred stock, issued	0	13,812,500
Convertible preferred stock, outstanding	0	13,812,500
Series B Convertible Preferred Stock
Convertible preferred stock, par value	$ 0.01	$ 0.01
Cumulative preferred dividends	$ 0	$ 812
Convertible preferred stock, authorized	0	6,608,700
Convertible preferred stock, issued	0	6,608,700
Convertible preferred stock, outstanding	0	6,608,700