Subsequent events (Details) - Subsequent event	1 Months Ended
May 02, 2024 USD ($) tranche	May 01, 2024 USD ($)
Subsequent events
Aggregate principal amount	$ 4,832,487	$ 4,832,487
Madryn Credit Facility
Subsequent events
Number of additional tranches \| tranche	2
Aggregate principal amount	$ 95,244,329
Minimum liquidity covenant	$ 300,000	$ 3,000,000

Face (par) amount of debt instrument at time of issuance.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant