Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Schedule of Stock-Based Compensation Expense

Stock-based compensation expense for the nine months ended September 30, 2021 and 2020 was classified in the condensed consolidated statement of operations as follows:

	Nine Months Ended September 30,
	2021		2020
	(000’s)
Research and development	$	476	$	486
General and administrative		2,367		2,480
Total	$	2,843	$	2,966

Schedule of Restricted Share Activity

A summary of the Company’s restricted stock activity during the nine months ended September 30, 2021 is as follows:

	Shares			Fair Value
Weighted Average Fair Value	(000’s)			Per Share
Unvested, December 31, 2020		896		$	1.78
Granted		—		$	—
Vested		(273	)	$	1.82
Forfeited or canceled		(63	)	$	1.62
Unvested, September 30, 2021		560		$	1.78

Stock Options

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Schedule of Weighted Average Assumptions on Grant Date Fair Value for Options Granted

The weighted average assumptions used in the Black-Scholes pricing model to determine the fair value of stock options granted during the nine months ended September 30, 2021 and 2020 were as follows:

	Nine Months Ended
	September 30,
	2021			2020
Expected term (in years)		6.1			6.0
Risk-free rate		0.79	%		0.36	%
Expected volatility		90	%		140	%

2020 Plan

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Stock Option Activity

The following table summarizes the stock option activity for the 2020 Plan:

				Weighted		Weighted
	Number of			Average		Average
	Unvested			Exercise		Remaining
	Options			Price		Contractual
	(000’s)			Per Share		Life (in years)
Outstanding at December 31, 2020		2,159		$	5.00		9.1
Granted		1,647		$	5.15		9.5
Exercise		—		$	5.00		—
Forfeited/cancelled		(286	)	$	5.00		—
Outstanding at September 30, 2021		3,520		$	5.07		9.2
Vested at September 30, 2021		1,208		$	5.00		8.9