Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2020

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):

	September 30, 2020		December 31, 2019
Warrants issued and outstanding		51		51
Stock option awards issued and outstanding		1,792		1,600
Authorized for grants under the 2016 Equity Incentive Plan(2)		340		401
Authorized for grants under the 2016 Employee Stock Purchase Plan(3)		256		186
		2,439		2,238

⁽¹⁾ Treasury stock in the amount of 534,000 and 465,000 as of September 30, 2020, and December 31, 2019, respectively, are excluded from the table above.

⁽²⁾ On January 1, 2020, the number of authorized shares in the 2016 Equity Incentive Plan increased by 387,000 shares pursuant to the evergreen provisions of the 2016 Equity Incentive Plan.

⁽³⁾ On January 1, 2020, the number of authorized shares in the 2016 Employee Stock Purchase Plan increased by 97,000 shares pursuant to the evergreen provisions of the 2016 Employee Stock Purchase Plan.