Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Outstanding Stock Option Activity

The following table summarizes the outstanding stock option activity during the period indicated (shares in thousands):

				Weighted average
	Number of shares			Exercise price		Remaining contractual term (years)
Balance at December 31, 2019		1,600		$	9.98
Granted		375			9.99
Exercised		(3	)		6.17
Expired/Forfeited		(89	)		10.25
Balance at June 30, 2020		1,883			9.97		8.0
Vested and exercisable at June 30, 2020		929			8.79		7.0
Vested and expected to vest at June 30, 2020		1,883			9.97		8.0

Summary of Outstanding Restricted Stock Unit Activity

The following table summarizes the Company's Restricted Stock Unit (RSU) activity during the period indicated (shares in thousands):

	Restricted stock units			Weighted average grant date fair value
Non-vested balance at December 31, 2019		80		$	11.43
Grants		151
Vested and released		(28	)
Forfeitures		—			—
Non-vested balance at June 30, 2020		203			10.53