Stock-Based Awards - Summary of Stock Option Activity (Details) - 2018 Stock Option and Incentive Plan - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Number of Shares
Number of Shares, outstanding beginning balance (in shares)	8,233,330
Number of Shares, granted (in shares)	3,058,400
Number of Shares, exercised (in shares)	0
Number of Shares, forfeited (in shares)	(100,599)
Number of Shares, outstanding ending balance (in shares)	11,191,131	8,233,330
Number of Shares, options exercisable at June 30, 2022 (in shares)	5,926,959
Number of Shares, vested and expected to vest at June 30, 2022 (in shares)	11,191,131
Weighted Average Exercise Price
Weighted Average Exercise Price, Outstanding beginning balance (in dollars per share)	$ 5.74
Weighted Average Exercise Price, Granted (in dollars per share)	0.69
Weighted Average Exercise Price, Exercised (in dollars per share)	0
Weighted Average Exercise Price, Forfeited (in dollars per share)	4.76
Weighted Average Exercise Price, Outstanding ending balance (in dollars per share)	4.37	$ 5.74
Weighted Average Exercise Price, Exercisable at June 30, 2022 (in dollars per share)	5.90
Weighted Average Exercise Price, Vested and expected to vest at June 30, 2022 (in dollars per share)	$ 4.37
Stock Option Activity, Additional Disclosures
Weighted Average Remaining Contractual Term (in years), Outstanding	7 years 4 months 24 days	6 years 8 months 4 days
Weighted Average Remaining Contractual Term (in years), Options exercisable	5 years 8 months 26 days
Weighted Average Remaining Contractual Term (in years), Vested and expected to vest	7 years 4 months 24 days
Aggregate Intrinsic Value (in dollars per share)	$ 145	$ 159
Aggregate Intrinsic Value, Options exercisable at June 30, 2022 (in dollars per share)	118
Aggregate Intrinsic Value, Vested and expected to vest at June 30, 2022 (In dollars per share)	$ 145