Stock-based compensation - Schedule of conversion of the vested and unvested options (Details) - 2018 Stock Plan	2 Months Ended
	Mar. 05, 2020 shares
Shares
Options outstanding, balance beginning (in shares)	2,734,327
Options converted to cash at Closing (in shares)	(828,590)
Options forfeited (in shares)	(18,940)
Options outstanding, balance ending (in shares)	1,886,797
Options outstanding converted (in shares)	4,678,011