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Goodwill and other intangible assets - Carrying amount of goodwill and intangible assets (Details)
3 Months Ended
Mar. 31, 2023
USD ($)
Goodwill  
Goodwill beginning balance $ 3,301,959
Goodwill ending balance 3,301,959
Intangible Assets  
Intangible assets beginning balance 8,669,375
Amortization (363,750)
Intangible assets, ending balance $ 8,305,625