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Note 16 - License, Collaboration and Distribution Agreements (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

		Balance at Beginning of the Period				Additions				Deductions				Balance at the end of the Period
Contract liabilities: deferred revenue		$	2			$	176			$	(124	)		$	54
Contract liabilities: accrued liabilities (includes contract assets)			573				1,851				(1,154	)			1,270
Total		$	575			$	2,027			$	(1,278	)		$	1,324

		Balance at Beginning of the Period				Additions				Deductions				Balance at the end of the Period
Contract liabilities: deferred revenue		$	—			$	2			$	—			$	2
Contract liabilities: accrued liabilities (includes contract assets)			434				2,338				(2,199	)			573
Total		$	434			$	2,340			$	(2,199	)		$	575

Disaggregation of Revenue [Table Text Block]

		Year Ended December 31,
		2021				2020				2019
Revenue recognized in the period from:
Amounts included in contract liabilities at the beginning of the period:
Performance obligations satisfied		$	573			$	434			$	1,473
New activities in the period:
Performance obligations satisfied			7,848				9,500				5,126
		$	8,421			$	9,934			$	6,599

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

+ Details

Name:	us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration