Net Income (Loss) Per Common Share (Tables)

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method

The following table summarizes the computation of basic and diluted net income (loss) per common share.

	Three Months Ended March 31,
	2022		2021
Numerator:
Net loss	$	(3,302)	$	(4,913)
Less: Preferred stock cumulative dividends and deemed dividends	(2,538)		(14,529)
Numerator for basic and diluted undistributed net loss per common share (1)	$	(5,840)	$	(19,442)
Denominator:
Weighted average common shares outstanding	43,308		42,836
Adjustment for unvested restricted common stock	(608)		(375)
Adjustment for 2021 Warrants outstanding (2)	1,894		211
Shares used to calculate loss per share, basic and diluted	44,594		42,672
Basic and diluted loss per common share	$	(0.13)	$	(0.46)
Cash dividends declared per common share	$	—	$	—

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(1) Preferred Stock does not participate in losses.

(2) Weighted average 2021 Warrants outstanding are included in shares outstanding for calculation of basic earnings per share because they are exercisable at an exercise price of $0.01 per share, subject to certain adjustments (see Note 15).

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table presents securities that could be potentially dilutive in the future that were excluded from the calculation of diluted net loss per common share because they had an anti-dilutive effect.

	Three Months Ended March 31,
	2022	2021
Options	600	847
2019 Warrants	1,500	1,500
	2,100	2,347