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Note 7 - Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Share-based Payment Arrangement, Option, Activity [Table Text Block]

		Six Month Period Ended
		June 30, 2020
						Wtd. Avg.
						Exercise
		Options				Price
Outstanding at beginning of year			1,570,455			$	1.96
Granted			—			$	—
Exercised			(393,680	)		$	1.92
Forfeited			—			$	—
Expired			—			$	—
Outstanding service vesting-based at June 30, 2020			1,176,775			$	1.98
Service vesting-based options exercisable at June 30, 2020			1,148,338			$	1.94

		Six Month Period Ended
		June 30, 2020
						Wtd. Avg.
						Exercise
		Options				Price
Outstanding at beginning of year			737,497			$	1.64
Granted			—			$	—
Exercised			(17,113	)		$	1.64
Outstanding performance-based at June 30, 2020			720,384			$	1.64
Performance-based options exercisable at June 30, 2020			720,384			$	1.64

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

		Six Month Period Ended
		June 30, 2020
Service vesting-based restricted stock		Number of Restricted Shares				Grant-Date Fair Value
Outstanding at beginning of year			429,399			$	13.25
Granted			235,215			$	12.03
Granted in lieu of cash			34,154			$	9.18
Vested			(88,390	)		$	11.89
Forfeited			(20,661	)		$	14.62
Outstanding at June 30, 2020			589,717			$	12.68

		Six Month Period Ended
		June 30, 2020
Performance-based restricted stock		Number of Restricted Shares				Grant-Date Fair Value
Outstanding at beginning of year			—			$	—
Expected to vest			82,805			$	9.18
Vested			—			$	—
Forfeited			—			$	—
Outstanding at June 30, 2020			82,805			$	9.18

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Month Period Ended								Six Month Period Ended
		June 30,								June 30,
(In thousands)		2020				2019				2020				2019
Research and development costs		$	222			$	168			$	397			$	235
Sales and marketing costs			96				171				325				326
General and administrative costs			699				439				1,275				716
Cost of product sales			128				40				261				72
Total		$	1,145			$	818			$	2,258			$	1,349

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

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- Definition

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