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Equity (Tables)

12 Months Ended

Dec. 31, 2022

Schedule of Outstanding, Reserved and Authorized Shares under Share-based Compensation Plans

​

​	​	​	​	​
​	​	December 31,	​	December 31,
(in thousands)		2022		2021
Outstanding options and restricted stock units		3,202		3,076
Reserved but unissued shares under the Plans	​	2,777	​	2,901
Total authorized shares under the Plans		5,979		5,977

​

Schedule of weighted-average assumptions used in calculation of fair value of stock options

During the year ended December 31, 2022, the following weighted-average assumptions were utilized in the calculation of the fair value of stock options:

​

​	​	​	​	​	​	​
​	​	December 31,				​
​	​	2022	​	​	2021	​
Expected life		5.71 years		​	6.01 years	​
Weighted average volatility	​	77.64	%	​	91.89	%
Weighted average risk-free interest rate	​	1.39	%	​	0.59	%
Expected dividend rate	​	0	%	​	0	%

​

Schedule of stock option activity

A summary of the Company’s stock option activity and changes is as follows:

​

​	​	​	​	​	​	​	​
​	​	December 31,
​	​	2022
(in thousands)	​	Options to Purchase Common Stock	​	Weighted Average Exercise Price		​	Weighted Average Remaining Contractual Life (in years)
Outstanding at beginning of year		2,964	​	$	2.06		6.89
Granted		88	​	$	1.26		9.01
Exercised		(43)	​	$	0.89		—
Forfeited/Expired		(230)	​	$	1.99		—
Outstanding at end of year		2,779	​	$	2.05		6.43
Exercisable at end of year		1,986	​	$	1.70		5.89

​

Restricted Stock Units

Schedule of Compensation Expense

​

​	​	​	​	​	​
​	For the Year Ended
​	December 31,
​	2022			2021
Compensation Expense	$	252	$	-	​
Weighted Average Value Per Share	$	1.57	$	-	​

​

Schedule of restricted stock unit activity

​

​	​	​	​	​	​	​	​	​	​	​
​	​	December 31,				​	December 31,
​	​	2022				​	2021
(in thousands)	​	Number of Shares	​	Weighted Average Grant Date Fair Value		​	Number of Shares	​	Weighted Average Grant Date Fair Value
Nonvested at beginning of year		112	​	$	2.28	​	—	​	$	—
Granted		376	​	$	1.30	​	112	​	$	2.28
Vested		(65)	​	$	1.77	​	-	​	$	—
Nonvested at end of year		423	​	$	1.49	​	112	​	$	2.28

​

Warrant [Member]

Schedule Of warrant activity

A summary of warrant activity and related information is as follows:

​

​	​	​	​	​	​	​	​	​	​	​
​	​	December 31,
​	​	2022				​	2021
​		​		Weighted			​		Weighted
​	​	​	​	Average		​	​	​	Average
​	​	​	​	Exercise		​	​	​	Exercise
(in thousands)	​	Warrants	​	Price		​	Warrants	​	Price
Outstanding at beginning of year	​	—	​	$	—		80	​	$	1.80
Granted	​	—	​		—		—	​	​	—
Exercised	​	—	​		—		(38)	​		1.80
Forfeited/Expired	​	—	​	​	—		(43)	​	​	1.80
Outstanding at end of year	​	—	​	$	—		—	​	$	—
​	​	​	​	​	​	​	​	​	​	​

Equity Incentive Plan [Member]

Schedule of Compensation Expense

​

​	​	​	​	​	​	​
​	​	For the Year Ended
​	​	December 31,
​		2022			2021
Fair value	​	$	98	​	$	217
Weighted Average Value Per Share	​	$	1.43	​	$	3.37

​

Consultant Stock Plan

Schedule of share-based compensation activity

​

​	​	​	​	​	​	​	​
​	​	​	December 31,
(in thousands)			2022			2021
Reserved but unissued shares at beginning of year	​	​	​	211	​	​	212
Increases in the number of authorized shares	​	​		—	​		14
Grants	​	​		(15)	​		(15)
Reserved but unissued shares at end of year	​	​		196	​		211

​

Schedule of Compensation Expense

​

​	​	​	​	​	​	​
​	​	For the Year Ended
​	​	December 31,
​		2022			2021
Compensation Expense	​	$	26	​	$	33
Weighted Average Value Per Share	​	$	1.61	​	$	2.23

​

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