Stock-based Compensation - Stock Options (Details) - Employee Stock Option [Member] - $ / shares	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Stock Options, Additional Disclosures
Outstanding, Number, Beginning Balance (in shares)			36,493
Granted (in shares)	0		25,000
Forfeited/Cancelled (in shares)			(21,221)
Outstanding, Number, Ending Balance (in shares)	40,272		40,272		36,493
Vested and expected to vest (in shares)	40,272		40,272
Options Exercisable (in share)	38,734		38,734
Outstanding, Weighted Average Exercise Price, Beginning Balance (in dollars per share)			$ 99.62
Granted (in dollars per share)			0.67
Forfeited/Cancelled (in dollars per share)			59.72
Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 59.21		59.21		$ 99.62
Vested and expected to vest (in dollars per share)	59.21		59.21
Options Exercisable (in dollars per share)	$ 58.09		$ 58.09
Options, Outstanding, Weighted Average Remaining Contractual Term (years)			8 years 10 months 24 days		8 years 6 months
Vested and expected to vest (years)			8 years 10 months 24 days
Options Exercisable (years)			8 years 10 months 24 days
Weighted average fair value per share of options granted				$ 9.99
Non Employee Director
Stock Options, Additional Disclosures
Granted (in shares)		4,662	25,000	5,995
Weighted average fair value per share of options granted			$ 0.45	$ 12.43
Minimum | Non Employee Director
Stock Options, Additional Disclosures
Vesting period		1 year		1 year
Maximum | 2019 Plan
Stock Options, Additional Disclosures
Expiration period			10 years
Maximum | Non Employee Director
Stock Options, Additional Disclosures
Vesting period		3 years		3 years