Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Stock-Based Compensation [Abstract]

Schedule of Stock Based Compensation Expense

Stock based compensation has been reported within expense line items on the consolidated statement of operations for the three and nine months ended September 30, 2020 and 2021 as shown in the following table (in $000s):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2021		2020		2021
General and administrative	$	85	$	223	$	192	$	587
Research and development		28	$	96	$	97	$	266
Stock-based compensation costs before income taxes	$	113	$	319	$	289	$	853

Schedule of Fair Value of the Stock Options Granted

	Nine months ended	Nine months ended
	September 30, 2020	September 30, 2021
Expected term (years)	5 – 6	5 – 6
Risk free interest rate	0.270% – 0.425%	0.420% – 1.000%
Volatility	100% – 114%	96 – 102%
Expected dividend yield over expected term	0.00%	0.00%

Schedule of Share Option Activity

A summary of the share option activity and related information is as follows:

				Weighted
		Weighted		Average
	Number of	Average		Remaining	Aggregate
	Options	Exercise		Contractual	Intrinsic
	Outstanding	Price Per Share		Term (Years)	Value ($000)
Options outstanding at December 31, 2020	602,683	$	11.01	9.39	$	1,861
Granted	154,653	$	6.29	—		—
Exercised	—		—	—		—
Cancelled/forfeited	(36,548)	$	11.03	—		—
Options outstanding at September 30, 2021	720,788	$	10.00	8.47	$	547
Unvested at September 30, 2021	503,910	$	4.72	9.25	$	444
Vested and exercisable at September 30, 2021	216,878	$	22.25	6.65	$	104

Schedule of Restricted Stock Units Activity

		Weighted		Weighted
		Average		Average
	Restricted	Grant Date		Remaining
	Stock Units	Value Per Share		Term
Restricted Stock Units outstanding at September 30, 2021	35,439	$	8.82	9.01 years
Unvested at September 30, 2021	35,439	$	8.82	9.01 years
Vested and exercisable at September 30, 2021	—	$	—	9.01 years