NOTE 10 - SHARE-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Share-based compensation

	Year Ended December 31,
	2020		2019
(in thousands)
Cost of goods sold	$	44	$	28
Research and development		371		288
Selling, general and administrative		1,052		855
Total share-based compensation	$	1,467	$	1,171

Fair value of share-based awards for employee stock options

	Employee Stock
	Options
	2020		2019
Risk-free interest rates		n/a		2.31	%
Volatility factors		n/a		62.05	%
Expected life of the option in years		n/a		4.0
Expected dividend yield		n/a	None

Stock option activity

	2020						2019
	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		25,000	$	4.98				25,000		$	8.03
Granted		-		-				25,000			4.98
Exercised		-		-				-			0.00
Cancelled, Expired or
Forfeited		-		-				(25,000	)		8.03
Outstanding at end of year		25,000	$	4.98		4.33		25,000		$	4.98		5.34
Vested or expected to vest at the end of the period		24,068	$	4.98		4.33		24,723		$	4.98		5.34
Exercisable at end of year		9,375	$	4.98		4.33		12,500		$	4.98		5.34

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

	2020					2019
	Awards			Weighted - Average Grant Date Fair Value		Awards			Weighted - Average Grant Date Fair Value
Outstanding at beginning of year		536,403		$	5.44		558,856		$	6.06
Granted		383,951			3.02		276,700			4.57
Vested		(230,901	)		5.16		(224,089	)		5.30
Cancelled		(46,225	)		4.58		(75,064	)		7.30
Outstanding at end of year		643,228		$	4.16		536,403		$	5.44

Unamortized compensation expense

	December 31, 2020		December 31, 2019
Unamortized future compensation expense	$	2,017,501	$	2,351,324
Remaining weighted average amortization period in years		2.35		2.40