Note 4 - Held for Sale and Discontinued Operation (Details Textual) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)
Number of Reporting Units			1
Disposal Group, Including Discontinued Operation, Depreciation and Amortization	$ 24	$ 175	$ 373	$ 524
Discontinued Operations [Member]
Disposal Group, Including Discontinued Operation, Depreciation and Amortization			$ 1,081	$ 1,666

Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483499/205-20-50-5B

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration