SHAREBASED COMPENSATION

3 Months Ended

Mar. 31, 2022

SHAREBASED COMPENSATION

Note 9 - Share-based Compensation

NOTE 9 – SHARE-BASED COMPENSATION

For share-based awards granted, we have recognized compensation expense based on the estimated grant date fair value method.  For these awards we have recognized compensation expense using a straight-line amortization method reduced for estimated forfeitures.  

The impact on our results of operations of recording share-based compensation, net of forfeitures, for the three months ended March 31, 2022 and 2021 were as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
(in thousands)
Cost of goods sold	$	15	$	10
Research and development		64		71
Selling, general and administrative		212		197
Total share-based compensation	$	291	$	278

Equity awards granted during the three months ended March 31, 2022 and 2021 were as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Restricted Stock Units		2,515		2,000

Non-employee directors Restricted Stock Units (“RSUs”) typically vest over the earlier of one year or the next annual meeting of shareholders and Non-Qualified stock options vest over three years and have a six-year exercise period.  Employee RSUs typically vest over four years and employee Non-Qualified stock options typically vest quarterly over 4 years and have a six-year exercise period.

The remaining unamortized expected future equity compensation expense and remaining amortization period associated with unvested option grants, restricted stock awards and restricted stock unit awards at March 31, 2022 are:

	March 31, 2022
Unamortized future equity compensation expense (in thousands)	$	2,021
Remaining weighted average amortization period (in years)		2.44