Warrants (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Jun. 13, 2023	Mar. 31, 2022	Mar. 02, 2022	Mar. 31, 2021	Jan. 31, 2021
Number of Warrants
Outstanding and exercisable, beginning (in shares)	2,179,798	26,089	26,089
Issued (in shares)	6,389,718	56,795
Expired (in shares)	(116)	(564)
Exercised (in shares)	(3,048,825)	(23,087)
Warrants outstanding and exercisable, ending (in shares)	5,520,575	59,233	2,179,798	26,089
Weighted Average Exercise Price Per Share
Outstanding and exercisable, beginning (in dollars per share)	$ 19.16	$ 1,992.90	$ 1,992.90
Issued (in dollars per share)	1.79	161.70
Expired (in dollars per share)	773.79	7,755.30
Exercised (in dollars per share)	0.65	2.10
Warrants outstanding and exercisable, ending (in dollars per share)	$ 7.85	$ 732.90	$ 19.16	$ 1,992.90
Weighted Average Remaining Term in Years
Outstanding and exercisable (in years)	4 years 10 months 9 days	4 years 2 months 4 days	5 years 6 months	3 years 11 months 12 days
Issued (in years)	4 years 10 months 6 days	4 years 8 months 1 day
Exercised (in years)	4 years 11 months 8 days	4 years 8 months 1 day
Warrants to purchase of stock							1
Class of warrant or right, exercise price of warrants or rights (in dollars per share)							$ 264.60
Shares issued, price per share (in dollars per share)							$ 288.75
Series B Preferred Stock
Weighted Average Remaining Term in Years
Warrants to purchase of stock		499
March 2022 offering
Weighted Average Remaining Term in Years
Class of warrant or right, exercise price of warrants or rights (in dollars per share)						$ 5.901
Consideration for purchase of securities						$ 9.0
Shares issued, price per share (in dollars per share)						$ 264.60
Warrant amendment agreement
Weighted Average Remaining Term in Years
Class of warrant or right, exercise price of warrants or rights (in dollars per share)								$ 2,541.00	$ 1,680.00
June 2023 Inducement Offering
Weighted Average Remaining Term in Years
Warrants to purchase of stock	3,448,664				1,724,332
Class of warrant or right, exercise price of warrants or rights (in dollars per share)					$ 1.15
June 2023 Inducement Offering | Common Stock
Weighted Average Remaining Term in Years
Warrants to purchase of stock	1,724,332
Maximum | Warrant amendment agreement
Weighted Average Remaining Term in Years
Warrants to purchase of stock								1,872	5,080
Maximum | June 2023 Inducement Offering
Weighted Average Remaining Term in Years
Warrants to purchase of stock					3,448,664
Warrants, pre-funded warrants, and placement agent warrants
Weighted Average Remaining Term in Years
Warrants to purchase of stock	23,087
Warrants, pre-funded warrants, and placement agent warrants | March 2022 offering
Weighted Average Remaining Term in Years
Warrants to purchase of stock		55,883
Warrants, pre-funded warrants, and placement agent warrants | March 2023 offering
Weighted Average Remaining Term in Years
Warrants to purchase of stock	2,941,054
Warrants, pre-funded warrants, and placement agent warrants | June 2023 Inducement Offering | Common Stock
Weighted Average Remaining Term in Years
Warrants to purchase of stock	1,324,493
Existing warrants | June 2023 Inducement Offering
Weighted Average Remaining Term in Years
Class of warrant or right, exercise price of warrants or rights (in dollars per share)					$ 0.125