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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Stock-Based Compensation

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 months ended March 31, 2024 and 2023 as shown in the following table (in $000s):

​

​	​	​	​	​	​	​	​
​		Three Months Ended
​		March 31,
​		2024			2023		​
General and administrative	​	$	149	​	$	279	​
Research and development	​	​	54	​	​	122	​
Stock-based compensation costs	​	$	203	​	$	401	​

Schedule of Fair Value of the Stock Options Granted

​

​	​	​	​	​
​	​	​	​	​
​	​	Three months ended	​	Three months ended
​		March 31, 2024		March 31, 2023
Expected term (years)		6		5
Risk free interest rate		3.995%	​	3.660%  – 4.160%
Volatility		93%	​	89% – 90%
Expected dividend yield over expected term		0.00%	​	0.00%
Resulting weighted average grant date fair value		$1.77	​	$8.49

Schedule of Share Option Activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		​	​		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, 2023		142,796	​	$	50.20		7.96	​	$	—
Granted	​	12,500	​	$	2.28		—	​	$	—
Exercised	​	—	​	$	—		—	​	$	—
Cancelled/forfeited	​	(6,718)	​	$	21.78		—	​	$	—
Options outstanding at March 31, 2024		148,578	​	$	47.46		7.25	​	$	—
​	​	​	​	​	​	​	​	​	​	​
Unvested at March 31, 2024		57,232	​	$	15.10		9.06	​	$	—
Vested and exercisable at March 31, 2024		91,346	​	$	67.73		6.12	​	$	—

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 December 31, 2023		34,498	​	$	16.26	​	8.96 years
Granted	​	12,500	​	​	2.28	​	​
Cancelled/forfeited	​	(2,080)	​	​	13.50	​	​
Restricted Stock Units outstanding at March 31, 2024	​	44,918	​	$	12.50	​	9.00 years
​	​	​	​	​	​	​	​
Unvested at March 31, 2024		32,682	​	$	9.67	​	9.17 years
​	​	​	​	​	​	​	​
Vested at March 31, 2024		12,236	​	$	20.06	​	8.56 years

​

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