Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2022

Class of Stock Disclosures [Abstract]

Schedule of Common Stock Reserved for Future Issuance

The following table presents common stock reserved for future issuance(1) (in thousands):

	June 30, 2022		December 31, 2021
Stock options issued and outstanding		2,059		2,000
Stock awards issued and outstanding		505		—
Authorized for grants under the 2016 Equity Incentive Plan(2)		451		332
Authorized for grants under the Inducement Plan(3)		44		81
Authorized for grants under the 2016 Employee Stock Purchase Plan(4)		395		326
		3,454		2,739

(1) The table above excludes 541,000 treasury stock shares as of June 30, 2022 and December 31, 2021.

(2) On January 1, 2022, the number of authorized shares in the 2016 Plan increased by 404,000 shares pursuant to the evergreen provisions of the 2016 Plan.

(3) On February 5, 2021, 300,000 shares were authorized pursuant to the terms of the Inducement Plan; 69,000 shares were issued under the Inducement Plan during the six months ended June 30, 2022.

(4) On January 1, 2022, the number of authorized shares in the 2016 Employee Stock Purchase Plan increased by 100,000 shares pursuant to the evergreen provisions of the 2016 Employee Stock Purchase Plan.