Stockholders' Equity - Share Activity (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Activity of Shares [Roll Forward]
Common stock, shares outstanding (in shares)	14,597,118
Common stock, shares outstanding (in shares)	16,840,261	14,597,118
Class A-1 Convertible Preferred Stock
Activity of Shares [Roll Forward]
Preferred stock, shares outstanding (in shares)	256,700	257,000
Conversions of convertible preferred stock (in shares)	0	0
Preferred stock, shares outstanding (in shares)	256,700	256,700
Class A-1 Convertible Preferred Stock | 2021 Closing
Activity of Shares [Roll Forward]
Shares issued (in shares)		0
Class A-2 Convertible Preferred Stock
Activity of Shares [Roll Forward]
Preferred stock, shares outstanding (in shares)	1,330,832	1,416,000
Conversions of convertible preferred stock (in shares)	0	(85,000)
Preferred stock, shares outstanding (in shares)	1,330,832	1,330,832
Class A-2 Convertible Preferred Stock | 2021 Closing
Activity of Shares [Roll Forward]
Shares issued (in shares)		0
Class A-3 Convertible Preferred Stock
Activity of Shares [Roll Forward]
Preferred stock, shares outstanding (in shares)	258,707	259,000
Conversions of convertible preferred stock (in shares)	0	0
Preferred stock, shares outstanding (in shares)	258,707	258,707
Class A-3 Convertible Preferred Stock | 2021 Closing
Activity of Shares [Roll Forward]
Shares issued (in shares)		0
Class A-4 Convertible Preferred Stock
Activity of Shares [Roll Forward]
Preferred stock, shares outstanding (in shares)	3,725,720	0
Conversions of convertible preferred stock (in shares)	0	0
Preferred stock, shares outstanding (in shares)	3,725,720	3,725,720
Class A-4 Convertible Preferred Stock | 2021 Closing
Activity of Shares [Roll Forward]
Shares issued (in shares)		3,726,000
May 2019 Warrants | May 2019 Warrants
Activity of Shares [Roll Forward]
Warrants outstanding (in shares)	1,278,000	1,389,000
Conversions of convertible preferred stock (in shares)	0	(111,000)
Warrants outstanding (in shares)	1,278,000	1,278,000
May 2019 Warrants | December 2019 Warrants
Activity of Shares [Roll Forward]
Warrants outstanding (in shares)	3,060,000	3,185,000
Conversions of convertible preferred stock (in shares)	0	(125,000)
Warrants outstanding (in shares)	3,060,000	3,060,000
May 2019 Warrants | December 2020 Warrants
Activity of Shares [Roll Forward]
Warrants outstanding (in shares)	1,849,000	2,030,000
Conversions of convertible preferred stock (in shares)	0	(181,000)
Warrants outstanding (in shares)	1,849,000	1,849,000
May 2019 Warrants | 2021 Closing | May 2019 Warrants
Activity of Shares [Roll Forward]
Warrants issued (in shares)		0
May 2019 Warrants | 2021 Closing | December 2019 Warrants
Activity of Shares [Roll Forward]
Warrants issued (in shares)		0
May 2019 Warrants | 2021 Closing | December 2020 Warrants
Activity of Shares [Roll Forward]
Warrants issued (in shares)		0
Common stock
Activity of Shares [Roll Forward]
Common stock, shares outstanding (in shares)
Conversions of convertible preferred stock (in shares)	0	(352,000)
Common stock, shares outstanding (in shares)
Common stock | 2021 Closing
Activity of Shares [Roll Forward]
Shares issued (in shares)		5,892,000