Intangible assets (Tables)

12 Months Ended

Dec. 31, 2021

Intangible assets

Schedule of Finite-Lived Intangible Assets

	December 31,
	2021		2020
Cost
Non-compete agreements	$	530,000	$	530,000
Trade names		2,700,000		2,700,000
Customer backlogs		360,000		360,000
Facility management contracts		2,200,000		2,200,000
		5,790,000		5,790,000
Accumulated amortization
Non-compete agreements		(493,889)		(443,889)
Trade names		(740,000)		(560,000)
Customer backlogs		(360,000)		(210,000)
Facility management contracts		(794,445)		(427,778)
		(2,388,334)		(1,641,667)
Intangible assets, net	$	3,401,666	$	4,148,333

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Amortization of intangible assets for each of the next five years and thereafter is expected to be as follows:

2022	$	582,778
2023		546,667
2024		546,667
2025		485,554
2026		180,000
Thereafter		1,060,000
	$	3,401,666