Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

	2022							2021
	Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (years)		Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (years)
Outstanding at January 1		3,201,666		$	1.80				2,190,892		$	2.25
Granted		109,164			0.65				—			—
Cancelled or expired		(301,983	)		2.73				(125	)		372.00
Outstanding at March 31		3,008,847		$	1.66		8.5		2,190,767		$	2.23		9.3
Exercisable at March 31		648,849		$	2.68		7.5		122,614		$	14.38		7.6

Schedule of Restricted Stock Activity

Restricted stock unit activity for awards granted under the 2018 Plan was as follows for the three months ended March 31, 2022 and 2021:

	2022					2021
	Shares			Weighted Average Fair Value at Grant Date Per Share		Shares			Weighted Average Fair Value at Grant Date Per Share
Outstanding at January 1		2,970,104		$	1.39		2,503,698		$	1.54
Granted		88,983			0.65		—			—
Vested		(244,721	)		1.45		(244,716	)		1.45
Cancelled		(244,586	)		1.33		—			—
Outstanding at March 31		2,569,780		$	1.36		2,258,982		$	1.54