BALANCE SHEETS - Parenthetical - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	42,338,898	41,779,183
Common stock, shares outstanding (in shares)	42,338,898	41,767,431