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Subsequent events (Details) - USD ($)					6 Months Ended
	Aug. 07, 2023	Jul. 20, 2023	Jul. 13, 2023	Apr. 13, 2023	Jun. 30, 2023	Jun. 30, 2022	Feb. 13, 2023	Jun. 16, 2022
Subsequent Event [Line Items]
Proceeds from Term Loan					$ 14,357,000	$ 19,870,000
ELOC, right to sell common stock (in shares)							$ 35,000,000	$ 150,000,000
Issuance of stock (in shares)					13,239,654
Proceeds from stock issuance					$ 15,700,000
Term Loan | Line of credit
Subsequent Event [Line Items]
Face amount				$ 50,000,000.0
Premium payment, percentage of amount prepaid from common stock issuance proceeds				10.00%
Term Loan | Line of credit | Debt tranche two
Subsequent Event [Line Items]
Face amount				$ 15,000,000
Subsequent Event
Subsequent Event [Line Items]
ELOC, right to sell common stock (in shares)			$ 35,000,000
ELOC, right to sell common stock, amount		$ 50,000,000
Issuance of stock (in shares)	16,590,877
Proceeds from stock issuance	$ 34,200,000
Subsequent Event | Term Loan | Line of credit
Subsequent Event [Line Items]
Premium payment, percentage of amount prepaid from common stock issuance proceeds		10.00%
Subsequent Event | Term Loan | Line of credit | Debt tranche two
Subsequent Event [Line Items]
Proceeds from Term Loan			$ 15,000,000

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