Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Consolidated Balance Sheets
Allowance for doubtful accounts	$ 206	$ 43
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock shares authorized	400,000,000	400,000,000
Common stock shares issued	106,367,450	106,367,450
Common stock, Number of share outstanding	96,936,785	101,952,683
Treasury stock, shares	9,430,665	4,414,767