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Note 8 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Lease, Cost [Table Text Block]

		Year Ended December 31,
		2022				2021
Lease cost:
Operating lease cost		$	124			$	116
Short-term lease cost			-				-
Variable lease cost			29				29
Total		$	153			$	145

		Year Ended December 31,
		2022				2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$	129			$	138

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Maturity of lease liabilities		As of December 31, 2022
2023		$	153
2024			109
2025			102
2026			105
2027			81
2028 and thereafter			—
Total lease payments			550
Less: imputed interest			(99	)
Present value of operating lease liabilities		$	451

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

+ Details

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Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

+ Details

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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