Condensed Balance Sheets (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Allowance for doubtful accounts	$ 24	$ 22
Preferred stock, par value	$ 0.00001	$ 0.00001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.00001	$ 0.00001
Common stock, shares authorized	490,000,000	490,000,000
Common stock, shares issued	28,190,192	28,179,423
Common stock, shares outstanding	28,190,192	28,179,423