CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
Stockholders’ equity:
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, authorized (in shares)	10,000,000	10,000,000
Common stock, authorized (in shares)	47,619,000	47,619,000
Common stock, issued (in shares)	3,061,000	3,011,000
Common stock, outstanding (in shares)	3,061,000	3,011,000