Stock-based payments - Schedule of Restricted Stock Activity (Details) - Restricted Stock	3 Months Ended
Sep. 30, 2026 $ / shares shares
Number of Restricted Stock
Unvested and Outstanding, beginning balance (in shares) \| shares	357,410
Vested (in shares) \| shares	(309)
Unvested and Outstanding, ending balance (in shares) \| shares	357,101
Weighted Average Grant Date Fair Value $
Unvested and Outstanding, beginning balance (in dollars per share) \| $ / shares	$ 7.34
Vested (in dollars per share) \| $ / shares	55.17
Unvested and Outstanding, ending balance (in dollars per share) \| $ / shares	$ 7.30

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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