Accounting policies - Disaggregated revenue (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Total Revenue	$ 32,868,990	$ 19,557,905
Minimum [Member]
Contracts in progress
Number of days after consumption billings are collected	30 days
Maximum [Member]
Contracts in progress
Number of days after consumption billings are collected	45 days
Retail revenue [Member]
Total Revenue	$ 7,771,095	6,313,200
Bulk revenue [Member]
Total Revenue	9,004,373	7,350,644
Services revenue [Member]
Total Revenue	12,721,701	4,743,820
Manufacturing revenue [Member]
Total Revenue	$ 3,371,821	$ 1,150,241