Common Stock (Tables)

12 Months Ended

Dec. 31, 2022

Common Stock.

Schedule of common stock reserved for issuance

	December 31,		December 31,
	2022		2021
Options outstanding under the 2014 Stock Plan (1)(2)		2,332,441		2,447,889
Options outstanding under the 2020 Equity Incentive Plan		5,332,617		3,320,139
Options outstanding under the 2022 Inducement Plan		719,800		—
Shares available for future grant under the 2020 Equity Incentive Plan and the 2022 Inducement Plan		1,392,584		818,010
Available for the 2020 Employee Stock Purchase Plan		1,018,000		791,742
Unvested performance-based restricted stock unit awards outstanding under the 2020 Equity Incentive Plan		710,000		—
Unvested restricted stock awards outstanding under the 2014 Stock Plan		295,911		493,185
		11,801,353		7,870,965

(1) Balance as of December 31, 2022 includes 18,640 unvested early exercised stock options (see Note 8, “Stock-Based Compensation”).

(2) Balance as of December 31, 2021 includes 46,598 unvested early exercised stock options (see Note 8, “Stock-Based Compensation”).