Warrants - Warrants outstanding and exercisable (Details) - shares	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Warrants
Warrants outstanding, beginning balance	12,109,807	7,505
Issuances		12,102,302
Expirations and cancelations	(7,542,409)
Warrants outstanding, ending balance	4,567,398	12,109,807