NOTE 11 - SHARE-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2017

Note 11 - Share-based Compensation Tables

Impact on operations of recording share-based compensation

	Year Ended December  31,
	2017		2016
(in thousands)
Cost of goods sold	$	18	$	13
Research and development		164		106
Selling, general and administrative		532		401
Total share-based compensation	$	714	$	520

Fair value of share-based awards for employee stock options

	Employee Stock
	Options
	2017			2016
Risk-free interest rates		1.72	%		N/A
Volatility factors		0.62			N/A
Expected life of the option in years		4.0			N/A
Expected dividend yield		None			N/A

Stock option grants

	2017							2016
	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		376,000		$	2.95				574,000		$	2.97
Granted		25,000			8.03				—			0.00
Exercised		(346,000	)		2.83				(130,000	)		2.38
Cancelled, Expired or
Forfeited		(15,000	)		6.01				(68,000	)		4.25
Outstanding at end of year		40,000		$	6.10		3.60		376,000		$	2.95		1.67
Vested or expected to vest at the end of the period		34,460		$	5.79		3.29		375,055		$	2.96		1.67
Exercisable at end of year		16,563		$	3.37		0.91		357,250		$	3.00		1.62

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

	2017					2016
	Awards			Weighted - Average Grant Date Fair Value		Awards			Weighted - Average Grant Date Fair Value
Outstanding at beginning of year		464,850		$	2.78		389,100		$	2.86
Granted		287,600			7.29		227,100			2.61
Vested		(181,725	)		2.72		(148,100	)		2.72
Cancelled		(4,875	)		3.06		(3,250	)		2.73
Outstanding at end of year		565,850		$	5.09		464,850		$	2.78

Unvested options grants and restricted stock awards

	December 31, 2017		December 31, 2016
Unamortized future compensation expense	$	2,560,844	$	1,093,144
Remaining weighted average amortization period in years		2.98		2.53