Equity Compensation Plans - Summary of Stock Option Activity (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Number of Shares
Outstanding, beginning of period (shares) | shares	5,120,000
Granted in Period (shares) | shares	2,114,000
Exercised in Period (shares) | shares	(30,000)
Cancelled (shares) | shares	0
Outstanding, end of period (shares) | shares	7,204,000
Vested and expected to vest, end of period (shares) | shares	7,204,000
Exercisable, end of period (shares) | shares	683,000
Weighted Average Exercise Price
Outstanding, beginning of period (USD per share) | $ / shares	$ 1.97
Granted in Period (USD per share) | $ / shares	4.11
Exercised in Period (USD per share) | $ / shares	2.17
Cancelled (USD per share) | $ / shares	0
Outstanding, end of period (USD per share) | $ / shares	2.60
Vested and expected to vest stock, end of period (USD per share) | $ / shares	2.60
Exercisable, end of period (USD per share) | $ / shares	$ 7.12
Weighted Average Remaining Contractual Life (in years)
Outstanding (in years)	9 years 108 days
Weighted Average Remaining Contractual Life (in years) of vested and expected to vest stock options	9 years 108 days
Weighted Average Remaining Contractual Life (in years) of exercisable stock options	8 years 108 days
Total Aggregate Intrinsic Value
Total aggregate intrinsic value shares outstanding | $	$ 1,992
Total aggregate intrinsic value of vested or expected to vest stock options | $	1,992
Total aggregate intrinsic value of exercisable stock options | $	$ 97