Nature of business - Reverse Stock Split (Details)	1 Months Ended
	May 31, 2023 $ / shares shares	Mar. 31, 2024 $ / shares shares
Nature of business
Common stock, par value (in dollars per share) | $ / shares		$ 0.0001
Common stock, shares authorized | shares		300,000,000
Certificate of Amendment
Nature of business
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001
Reverse stock split ratio	0.083
Common stock, shares authorized | shares	300,000,000