Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Accounts payable, related parties	$ 69	$ 1,343
Accrued expenses, related parties	$ 2,501	$ 2,330
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, authorized shares	40,000,000	40,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, authorized shares	400,000,000	400,000,000
Common stock, issued shares	39,072,046	31,656,035
Common stock, outstanding shares	38,372,403	30,511,226
Treasury stock, shares	19	1