Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2022

Stockholders' Equity

Summary of stock option activity

The following table summarizes stock option activity for the three months ended March 31, 2022 (number of shares and intrinsic value in thousands):

				Weighted-
				average
		Weighted-		remaining	Aggregate
	Number of	average exercise		contractual	intrinsic
	shares	price		term	value
Outstanding at December 31, 2021	4,445	$	11.69	4.8	$	—
Granted	105		5.44	6.0		—
Exercised	—		—	—		—
Forfeited	(182)		11.55	—		—
Expired	(8)		10.39	—		—
Outstanding at March 31, 2022	4,360	$	11.55	4.6	$	—
Vested at March 31, 2022	3,440	$	11.65	3.5	$	—
Exercisable at March 31, 2022	3,440	$	11.65	3.5	$	—

Summary of restricted share activity

The following table summarizes restricted share activity for the three months ended March 31, 2022 (shares in thousands):

	Number of	Weighted-average
	shares	grant date fair value
Outstanding at December 31, 2021	614	$	11.79
Granted	135		5.44
Vested	(80)		11.53
Forfeited	(59)		12.00
Outstanding at March 31, 2022	610	$	10.40

Time Based Restricted Stock and Stock Option | Black Scholes Pricing Model

Stockholders' Equity

Schedule of valuation assumptions

	Three Months Ended		Year Ended
Black-Scholes Option Valuation Assumptions	March 31, 2022		December 31, 2021
Risk-free interest rate	1.93	%		0.94% – 1.29	%
Dividend yield	—			—
Volatility	40.4	%		37.3% – 40.7	%
Weighted-average expected term (years)	6.0			6.0