Equity (Tables)

3 Months Ended

Mar. 31, 2023

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

	March 31,	December 31,
(in thousands)	2023	2022
Outstanding options and restricted stock units	3,332	3,202
Reserved but unissued shares under the Plans	2,530	2,777
Total authorized shares under the Plans	5,862	5,979

Schedule of stock option activity

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

	March 31,
	2023
(in thousands)	Options to Purchase Common Stock	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)
Outstanding at beginning of year	2,779	$	2.05	6.43
Granted	—	$	—	—
Exercised	—	$	—	—
Forfeited/Expired	—	$	—	—
Outstanding at end of period	2,779	$	2.05	6.18
Exercisable at end of period	2,011	$	1.70	5.68

Schedule of share-based compensation activity

	March 31,
(in thousands)	2023
Reserved but unissued shares at beginning of year		196
Increases in the number of authorized shares		5
Grants		(4)
Reserved but unissued shares at end of year		197

Schedule of restricted stock unit activity

	March 31,
	2023
(in thousands)	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested at beginning of year	423	$	1.49
Granted	374	$	0.69
Vested	(245)	$	1.34
Nonvested at end of period	552	$	1.01

Restricted Stock Units

Schedule of Compensation Expense

	For the Three Months Ended
	March 31,
(in thousands)	2023			2022
Compensation Expense	$	199	$	35
Weighted Average Value Per Share	$	1.25	$	1.44

Warrant [Member]

Schedule of Compensation Expense

	For the Three Months Ended
	March 31,
	2023		2022
Fair value	$	234	$	98
Weighted Average Value Per Share	$	0.79	$	1.43

Consultant Stock Plan

Schedule of Compensation Expense

	For the Three Months Ended
	March 31,
	2023		2022
Compensation Expense	$	3	$	7
Weighted Average Value Per Share	$	0.66	$	1.93