Warrants - Warrants outstanding and exercisable (Details) - shares	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Warrants
Warrants outstanding, beginning balance	563,451	2,401,818
Issuances		168,750
Exercises		(2,007,117)
Expirations and cancelations	(604)
Warrants outstanding, ending balance	562,847	563,451