SHAREBASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2022

SHAREBASED COMPENSATION

Share-based compensation

	Year Ended December 31,
	2022		2021
(in thousands)
Cost of goods sold	$	76	$	57
Research and development		228		303
Selling, general and administrative		872		878
Total share-based compensation	$	1,176	$	1,238

Stock option activity

	2022						2021
	Options		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life in Years		Options			Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life in Years
Outstanding at beginning of year		12,500	$	4.98				25,000		$	4.98
Granted		-		-				-			-
Exercised		-		-				(12,500	)		4.98
Cancelled, Expired or
Forfeited		-		-				-			-
Outstanding at end of year		12,500	$	4.98		2.33		12,500		$	4.98		3.33
Vested or expected to vest at the end of the period		12,466	$	4.98		2.33		12,166		$	4.98		3.33
Exercisable at end of year		9,375	$	4.98		2.33		3,125		$	4.98		3.33

Restricted stock award including performance-based stock award activity under our share-based compensation plan

	2022					2021
	Awards			Weighted - Average Grant Date Fair Value		Awards			Weighted - Average Grant Date Fair Value
Outstanding at beginning of year		623,777		$	4.73		643,228		$	4.16
Granted		330,215			3.26		262,001			5.95
Vested		(249,292	)		4.95		(272,952	)		4.56
Cancelled		(39,500	)		4.33		(8,500	)		4.15
Outstanding at end of year		665,200		$	3.94		623,777		$	4.73

Unamortized compensation expense

	December 31, 2022		December 31, 2021
Unamortized future compensation expense	$	2,029,457	$	2,300,286
Remaining weighted average amortization period in years		2.47		2.57