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Note 11 - Treasury Stock - Repurchases of Common Stock (Details) - $ / shares	1 Months Ended						16 Months Ended
	Dec. 31, 2022	Jul. 31, 2022	Jan. 31, 2022	Dec. 31, 2021	Nov. 30, 2021	Oct. 31, 2021	Jan. 31, 2023
Total number of shares purchased (in shares)	3	5
Average price paid per share (in dollars per share)	$ 8.61	$ 8.85
Approximate dollar value of shares that may yet be purchased under the plans or programs (in shares)	939	964	1,008	1,872	2,323	2,505
Publicly Announced Share Repurchase Program [Member]
Total number of shares purchased (in shares)	3	5	98	56	21	59	242
Treasury Stock [Member] (Deprecated 2023)
Total number of shares purchased (in shares)			98	56	21	59	242
Average price paid per share (in dollars per share)			$ 8.81	$ 7.99	$ 8.55	$ 8.45

X

- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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X

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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X

- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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