CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts receivable, net of provision for credit losses of $337000 and $344000	$ 337	$ 344
Class A
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	160,000,000	160,000,000
Common stock, shares issued (in shares)	3,684,278	3,478,776
Common stock, shares outstanding (in shares)	3,684,278	3,478,776
Class B Common Stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	10,868,000	10,868,000
Common stock, shares outstanding (in shares)	10,868,000	10,868,000