XML 21 R11.htm IDEA: XBRL DOCUMENT

Note 5 - Stock-based Compensation

6 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Shareholders' Equity and Share-based Payments [Text Block]

5.	*STOCK-BASED COMPENSATION*

We recorded non-cash stock compensation expense in each period as follows:

		Three-month period ended								Six-month period ended
		June 30,				June 30,				June 30,				June 30,
		2021				2020				2021				2020
Stock options		$	174			$	278			$	337			$	470
Restricted stock grants			12				26				33				64
Total		$	186			$	304			$	370			$	534

We have stock options outstanding from various stock-based employee compensation plans for which we record compensation cost relating to share-based payment transactions in our financial statements. As of June 30, 2021, there was $296 of total unrecognized compensation cost related to outstanding stock options, which is expected to be recognized over a weighted average period of 0.9 years.

The following table summarizes stock option activity for the six-month period ended June 30, 2021:

		Number of Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value
Outstanding at January 1, 2021			1,217,163			$	6.50
Granted			-				-
Exercised			(128,096	)			4.60
Forfeited or expired			(14,663	)			7.07
Outstanding at June 30, 2021			1,074,404			$	6.72				3.78			$	2,037
Vested and expected to vest at June 30, 2021			998,941			$	6.66				3.66			$	1,963
Exercisable at June 30, 2021			744,455			$	6.42				3.05			$	1,710

Cash received from stock option exercises under our stock-based compensation plans for the three-month periods ended June 30, 2021 and June 30, 2020 was $283 and $47, respectively. Cash received from stock option exercises under our stock-based compensation plans for the six-month periods ended June 30, 2021 and June 30, 2020 was $314 and $76, respectively.

In October 2020, 5,000 shares of restricted stock were awarded to an employee at a weighted-average grant date fair value of $6.08 per share. In April 2019, 20,000 shares of restricted stock were awarded to certain of our employees at a weighted-average grant date fair value of $11.12 per share. In January 2018, 17,500 shares of restricted stock were awarded to certain of our employees at a weighted-average grant date fair value of $7.16 per share. All outstanding restricted shares vest in equal annual installments over three (3) years. Unrecognized compensation cost related to these restricted shares was $37 at June 30, 2021, which is expected to be recognized over a weighted average period of 1.5 years.