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Share repurchases (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2025	Dec. 31, 2024	Oct. 31, 2024	Aug. 31, 2024
Share repurchases
Repurchase of common shares (In share)		1,244,076
Repurchase of common shares		$ 8,146,000
Average price per share		$ 6.55
Subsequent Events
Share repurchases
Repurchase of common shares (In share)	259,266
Repurchase of common shares	$ 1,535,286
Average price per share	$ 5.92
Maximum
Share repurchases
Repurchase of amount authorized			$ 20,000,000	$ 10,000,000
Amount authorized for purchase of shares			$ 10,000,000

X

- Definition

Amount authorized for purchase of share in each calendar year under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
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-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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The cash outflow to reacquire common stock during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
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-Section 45
-Paragraph 15
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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Total cost of shares repurchased divided by the total number of shares repurchased.

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