Stock-Based Compensation - Restricted stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted-average period			7 months 6 days
Stock-based compensation expense	$ 351	$ 541	$ 1,590	$ 2,862
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance, beginning of period			1,000,000
Shares vested			333,333
Balance, end of period	666,667		666,667
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Grant date fair value, beginning of period			$ 0.57
End of period	$ 0.57		$ 0.57
Unrecognized compensation, restricted stock	$ 300		$ 300
Weighted-average period			1 year 9 months 18 days
Stock-based compensation expense			$ 200
Maximum | Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Stock-based compensation expense	$ 100