Capital Stock - Common Stock Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands						3 Months Ended		12 Months Ended
	Jun. 07, 2023	Apr. 23, 2023	Apr. 18, 2023	Mar. 31, 2023	Mar. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Oct. 06, 2023	Dec. 31, 2021	Jun. 28, 2021	Dec. 06, 2020	Oct. 21, 2020
Class of Warrant or Right [Line Items]
Preferred stock, convertible, par value (in dollars per share)					$ 0.0001
Warrants issued (in shares)								4,137,850
Exercise price (in dollars per share)								$ 1.73	$ 66.34		$ 995.06
Weighted average conversion price (in dollars per share)										$ 0.2792
Proceeds from Warrant Exercises								$ 534	$ 0
Warrants outstanding, ending (in shares)								4,137,850	343,099		343,099
Expired (in shares)	1,934	667						2,601
Private Placement
Class of Warrant or Right [Line Items]
Warrants issued (in shares)				4,136,850			4,136,850
Private Placement | Preferred Warrants
Class of Warrant or Right [Line Items]
Number of warrants called (in shares)					32,750
Private Placement | Investor Warrants
Class of Warrant or Right [Line Items]
Number of warrants called (in shares)					3,830,417
Private Placement | Placement Agent Warrants
Class of Warrant or Right [Line Items]
Number of warrants called (in shares)					306,433
Series F Preferred Stock
Class of Warrant or Right [Line Items]
Number of shares issued (in shares)				6,550
Preferred stock, convertible, par value (in dollars per share)								$ 0.0001	$ 0.0001
Exercise price (in dollars per share)								975
Weighted average conversion price (in dollars per share)					$ 1.71			$ 0.34
Series F Preferred Stock | Private Placement
Class of Warrant or Right [Line Items]
Number of shares issued (in shares)					6,550
Percentage of cash fees (in percent)					8.00%
Payments of stock issuance costs				$ 1,022
Common stock issuable upon conversion of Common Stock Warrants
Class of Warrant or Right [Line Items]
Deemed dividend						$ 751	$ 25
Common stock issuable upon conversion of Common Stock Warrants | Placement Agent Warrants
Class of Warrant or Right [Line Items]
Warrants issued (in shares)								306,433
Exercise price (in dollars per share)								$ 1.71
Common stock issuable upon conversion of Common Stock Warrants | Private Placement
Class of Warrant or Right [Line Items]
Warrant term (in years)				5 years			5 years
Beneficial ownership limitation (in percent)				4.99%			4.99%
Common Stock
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)			$ 1.71
Issuance of common shares from warrant exercise (in shares)			339,498					746,027
Proceeds from Warrant Exercises			$ 534
Payments of stock issuance costs			$ 46
Warrants outstanding, ending (in shares)												1,000	1,934	667