Stock-Based Compensation - Stock Options (Details) - $ / shares	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	May 11, 2022
Stock Options, Additional Disclosures
Stock options outstanding	36,493		36,493		32,498
Outstanding, Number, Beginning Balance (in shares)			32,498
Granted (in shares)			5,995
Forfeited/Cancelled (in shares)			(2,000)
Outstanding, Number, Ending Balance (in shares)	36,493		36,493		32,498
Vested and expected to vest (in shares)	36,493		36,493
Options Exercisable (in share)	8,236		8,236
Outstanding, Weighted Average Exercise Price, Beginning Balance (in dollars per share)			$ 119.72
Granted (in dollars per share)			17.83
Forfeited/Cancelled (in dollars per share)			181.20
Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 99.62		99.62		$ 119.72
Vested and expected to vest (in dollars per share)	99.62		99.62
Options Exercisable (in dollars per share)	$ 234.37		$ 234.37
Options, Outstanding, Weighted Average Remaining Contractual Term (years)			8 years 9 months 18 days		9 years 3 months 18 days
Vested and expected to vest (years)			8 years 9 months 18 days
Options Exercisable (years)			7 years 6 months
2018 Plan
Stock Options, Additional Disclosures
Stock options outstanding						0
Stock options | Employees, Directors And Consultants
Stock Options, Additional Disclosures
Granted (in shares)	0
Stock options | Non Employee Director
Stock Options, Additional Disclosures
Vesting period		3 years		3 years
Granted (in shares)		2,000	5,995	2,000
Weighted average fair value per share of options granted		$ 90.35	$ 12.43	$ 90.35
Minimum | Stock options | Non Employee Director
Stock Options, Additional Disclosures
Vesting period			1 year
Maximum | Stock options | 2019 Plan
Stock Options, Additional Disclosures
Expiration period			10 years
Maximum | Stock options | Non Employee Director
Stock Options, Additional Disclosures
Vesting period			3 years