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Note 15 - Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

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

		​				​				Weighted				​				Weighted				​
​		​				Weighted				Average				​				Average				​
​		​				Average				Share Price				Weighted				Remaining				Aggregate
​		Number of				Exercise				on Date of				Average				Contractual				Intrinsic
​		shares				Price				Exercise				Fair Value				Life				Value
​		(in thousands, except price data)
Outstanding at January 1, 2022			269			$	10.32			​				$	5.44				1.6879			$	-
Exercised			-				-								-				​				-
Forfeited			(5	)			-								-				​				-
Outstanding, June 30, 2022			264				10.40			​					5.45				1.2174				-
Exercisable, June 30, 2022			264				10.40			​					5.45				1.2174				-
Vested and expected to vest			264				10.40			​					5.45				1.2174				-

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

		​				Weighted				​				​
​		​				Average Share				Weighted				Aggregate
​		Number of				Price on Date				Average Fair				Intrinsic
​		shares				of Release				Value				Value
​		(in thousands, except price data)
Outstanding at January 1, 2022			2,170							$	11.15			$	11,156
Granted			1,679								2.03				3,064
Released			(400	)							12.34				1,383
Cancelled/Forfeited			(99	)							10.79				153
Outstanding, June 30, 2022			3,350								6.45				5,193
Vested and expected to vest			3,350								6.45				5,193

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

		Three months ended								Six months ended
​		June 30,								June 30,
​		2022				2021				2022				2021
Share-based compensation - by expense type		​				​
Cost of goods sold		$	114			$	266			$	250			$	467
Research and development			310				630				675				1,193
Sales and marketing			186				329				412				548
General and administrative			1,534				2,048				3,279				3,585
Total share-based compensation expense		$	2,144			$	3,273			$	4,616			$	5,793

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

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-Paragraph 2
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