Stock Based Compensation - Summary of Stock Incentive Plans (Details) - USD ($)			9 Months Ended		12 Months Ended
	Jun. 16, 2020	May 12, 2015	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Aug. 18, 2022	Apr. 13, 2022	Apr. 12, 2022
Stock Based Compensation
Incentive stock option term		10 years
Option outstanding			2,319,071		2,464,803
Options available for grant under stock option plans			694,615		631,270
Shares Available for Grant
Beginning balance (in shares)			631,270
Ending balance (in shares)			694,615		631,270
Stock Options Outstanding
Beginning balance (in shares)			2,464,803
Options cancelled (in shares)			(2,893,720)
Ending balance (in shares)			2,319,071		2,464,803
RSUs Outstanding
Beginning balance (in shares)			487,456
Ending balance (in shares)			3,381,176		487,456
Options vested, exercisable and expected to vest
Share Price						$ 1.00
Weighted average grant date fair value of stock options granted (in dollars per share)			$ 0.29	$ 5.25
Number of options vested (in shares)			516,972	495,023
Weighted average fair value of options vested on grant date			$ 4.17	$ 4.55
Common Stock, Capital Shares Reserved for Future Issuance			7,074,160		4,185,269
Stock options
Stock Based Compensation
Option outstanding			2,435,505		2,503,075
Stock Options Outstanding
Beginning balance (in shares)			2,503,075
Options granted (in shares)			3,333
Options exercised (in shares)			0	(3,147)
Options cancelled (in shares)			(70,903)
Ending balance (in shares)			2,435,505		2,503,075
Weighted Average Stock Option Exercise Price
Beginning balance (in dollars per share)			$ 9.44
Options granted (in dollars per share)			0.31
Options cancelled (in dollars per share)			3.92
Ending balance (in dollars per share)			$ 9.59		$ 9.44
Weighted Average Remaining Contractual Life (Years)
Weighted Average Remaining Contractual Life (Years)			7 years 7 months 2 days		8 years 4 months 6 days
Options vested, exercisable and expected to vest
Options vested and exercisable (in shares)			1,925,768
Options vested and exercisable (in dollars per share)			$ 10.76
Options vested and exercisable (in years)			7 years 4 months 9 days
Options vested and expected to vest (in shares)			2,379,802
Options vested and expected to vest (in dollars per share)			$ 9.69
Options vested and expected to vest (in years)			7 years 6 months 25 days
Options exercised (in shares)			0	3,147
Aggregate Intrinsic Value ,outstanding					$ 3,000
Stock options and RSUs
Stock Based Compensation
Options available for grant under stock option plans			694,615		631,270
Shares Available for Grant
Beginning balance (in shares)			631,270
Additional shares authorized (in shares)			2,889,495
Options granted (in shares)			(3,333)
Options cancelled (in shares)			70,903
Ending balance (in shares)			694,615		631,270
Restricted stock units issued and outstanding
RSUs Outstanding
Beginning balance (in shares)			487,456
RSUs Granted (in shares)			2,893,720
Ending balance (in shares)			3,381,176		487,456
2013 Plan
Stock Based Compensation
Option shares outstanding			123		123
2013 Plan | Stock options
Stock Options Outstanding
Options granted (in shares)			0
2014 Plan
Stock Based Compensation
Option outstanding			2,318,948		2,348,076
Options available for grant under stock option plans			172,550		619,480
Shares Available for Grant
Beginning balance (in shares)			619,480
Ending balance (in shares)			172,550		619,480
Stock Options Outstanding
Beginning balance (in shares)			2,348,076
Ending balance (in shares)			2,318,948		2,348,076
2014 Plan | Stock options
Stock Based Compensation
Increase in share reserve based on outstanding number of shares (as a percent)		2.00%
2020 New Employee Inducement Award Plan
Stock Based Compensation
Incentive stock option term	10 years
Option outstanding			116,434		154,876
Options available for grant under stock option plans	166,666		522,065		11,790
Shares Available for Grant
Beginning balance (in shares)			11,790
Ending balance (in shares)	166,666		522,065		11,790
Stock Options Outstanding
Beginning balance (in shares)			154,876
Ending balance (in shares)			116,434		154,876
Inducement Award Plan
Stock Based Compensation
Number of shares reserved for issuance							971,833	500,000
Options vested, exercisable and expected to vest
Common Stock, Capital Shares Reserved for Future Issuance							471,833
Common Stock
Options vested, exercisable and expected to vest
Share Price			$ 0.16
Participants Voting Power More than Ten Percent | 2014 Plan
Stock Based Compensation
Incentive stock option term		5 years
Participants Voting Power More than Ten Percent | 2020 New Employee Inducement Award Plan
Stock Based Compensation
Incentive stock option term	5 years