v3.26.1

Income taxes - Reconciliation of income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Amount
Income tax at U.S. federal statutory rate	$ (14,416)	$ (11,005)
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration]	FLORIDA, VIRGINIA	FLORIDA, VIRGINIA
Nontaxable or nondeductible items	$ 347	$ 210
Total
Tax Jurisdiction of Domicile [Extensible Enumeration]	US	US
Percentage
Income tax at U.S. federal statutory rate	21.00%	21.00%
Nontaxable or nondeductible items	(0.50%)	(0.40%)
Total
US
Amount
Change in valuation allowance	$ 14,309	$ 9,575
Other	$ (37)	$ (999)
Percentage
Change in valuation allowance	(20.80%)	(18.30%)
Other	0.10%	1.90%
UK
Amount
Change in valuation allowance	$ (1,474)	$ (1,503)
Other	$ 181	$ 251
Percentage
Change in valuation allowance	2.10%	2.90%
Other	(0.30%)	(0.50%)
KY
Amount
Rate differential	$ 1,090	$ 3,471
Percentage
Rate differential	(1.60%)	(6.60%)

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

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