Organization and description of business operations - November 2021 Offering (Details) - USD ($)						9 Months Ended	12 Months Ended
	Aug. 04, 2022	Aug. 03, 2022	Nov. 09, 2021	Nov. 05, 2021	Nov. 02, 2021	Sep. 30, 2022	Dec. 31, 2021	Nov. 08, 2022	Nov. 07, 2022	Jul. 27, 2022
Class of Warrant or Right [Line Items]
Initial exercise price	$ 6.00
Issuance of common stock and warrants, net of issuance costs (in shares)	931,667	36,196
Issued						144,866
Common shares outstanding						2,670,856	1,272,383	2,971,439	148,571,994
Term of warrants	5 years
Proceeds from the issuance of common stock and warrants, net of issuance costs of $1,061,520	$ 6,900,000					$ 6,938,484
Decrease in exercise price of warrant and right outstanding	$ 1.00		$ 1.00
November 2021
Class of Warrant or Right [Line Items]
Number of warrants exercised						0	0
Prefunded warrants
Class of Warrant or Right [Line Items]
Share issue price	6.00
Initial exercise price	$ 0.005									$ 0.005
Issued	401,667
Shares per warrant	1
Underwriting Agreement
Class of Warrant or Right [Line Items]
Share issue price					$ 32.00
Initial exercise price			$ 15.50
Issuance of common stock and warrants, net of issuance costs (in shares)					426,500
Common shares outstanding			539,063
Proceeds from the issuance of common stock and warrants, gross			$ 17,250,000
Proceeds from the issuance of common stock and warrants, net of issuance costs of $1,061,520			$ 15,800,000
Underwriting Agreement | Maximum
Class of Warrant or Right [Line Items]
Issued			539,063
Underwriting Agreement | November 2021
Class of Warrant or Right [Line Items]
Warrant exercise price				$ 35.00
Number of warrants exercised						0	0
Term of warrants				5 years
Underwriting Agreement | Prefunded warrants
Class of Warrant or Right [Line Items]
Initial exercise price					$ 31.95
Issued					1
Shares per warrant					1
Warrant exercise price				$ 0.05