Capitalized interest (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2023

Dec. 31, 2022

Capitalized interest

Summary of capitalized interest activity

	Three Months Ended March 31,
	2023		2022
Capitalized interest at January 1:	$	1,250,460	$	1,190,318
Interest cost capitalized		2,237,900		837,780
Interest cost expensed		(2,386,832)		(957,900)
Capitalized interest at March 31:	$	1,101,528	$	1,070,198

	2022		2021
Capitalized interest at January 1:	$	1,190,318	$	812,874
Interest cost capitalized		5,515,372		3,400,879
Interest cost expensed		(5,455,230)		(3,023,435)
Capitalized interest at December 31:	$	1,250,460	$	1,190,318