Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Summary of Computation of Basic and Diluted Net Loss per Share

The following table sets forth the computation of basic and diluted net (loss) income per share:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Numerator
Net (loss) income	$	(9,620)	$	1,909	$	11,883	$	(36,736)
Accumulation of dividends on preferred stock		—		(6,013)		—		(26,904)
Net (loss) income available to common shareholders	$	(9,620)	$	(4,104)	$	11,883	$	(63,640)
Denominator
Net (loss) income per common share - basic	$	(0.17)	$	(0.14)	$	0.21	$	(4.15)
Net (loss) income per common share - diluted	$	(0.17)	$	(0.14)	$	0.20	$	(4.15)
Weighted average number of shares of common stock - basic		57,722,163		30,212,959		57,188,101		15,324,362
Weighted average number of shares of common stock - diluted		57,722,163		30,212,959		58,776,158		15,324,362

Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share

Securities outstanding that are included in the computation above, utilizing the treasury stock method are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Stock options, SARs, and RSUs to purchase common stock		—		—		1,405,092		—
Warrants		—		—		182,965		—
Total		—		—		1,588,057		—

Potential common shares issuable upon conversion of preferred stock, exercise of stock options, and exercise of warrants that were excluded from the computation of diluted weighted-average shares outstanding as well as the warrant fair value adjustments excluded from the numerator are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Stock options, SARs, and RSUs to purchase common stock		6,085,742		5,051,465		4,680,651		5,051,465
Warrants		—		410,239		—		410,239
Total		6,085,742		5,461,704		4,680,651		5,461,704
Adjustment for warrants	$	—	$	1,525	$	—	$	3,109