Segment information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Revenue	$ 1,023,315	$ 90,793
Operating income (loss)	74,940	38,777
Other (expense) income
Interest expense	(80,768)	(137,677)
Amortization of debt discount	252,832	502,677
Foreign exchange movements	(95,556)	(79,492)
Assets
Current assets	355,718		$ 271,799
Non-current assets	6,200,238		6,282,507
Liabilities
Current liabilities	(13,669,609)		$ (13,516,802)
Rental Operations [Member]
Revenue	93,874	90,793
Operating expenditure	(33,316)	(32,849)
Operating income (loss)	60,558	57,944
Other (expense) income
Other income
Interest expense	53,607	(59,745)
Amortization of debt discount
Derivative liability movement
Derivative liability movement
Foreign exchange movements	21,829	(18,695)
Net loss before taxation	(14,878)	(20,496)
Taxation
Net loss	(14,878)	(20,496)
Purchase of fixed assets
Assets
Current assets	551	4,580
Non-current assets	2,773,914	2,885,861
Liabilities
Current liabilities	1,590,715	(1,484,968)
Non-current liabilities	(636,577)	(4,645,209)
Mandatory redeemable preferred shares
Intercompany balances	1,238,399	1,330,423
Net liability position	1,785,572	(1,909,313)
Penalty on convertible notes
Fair value of warrants granted
Fair value of warrants exercised
In Patient Services [Member]
Revenue	929,441
Operating expenditure	(915,059)	(19,167)
Operating income (loss)	14,382	(19,167)
Other (expense) income
Other income	10,018
Interest expense	27,161	(77,932)
Amortization of debt discount	(252,832)	(502,677)
Derivative liability movement		(611,059)
Derivative liability movement	197,476
Foreign exchange movements	73,727	(60,797)
Net loss before taxation	(131,844)	(2,347,660)
Taxation	(18,263)
Net loss	(150,107)	(2,347,660)
Purchase of fixed assets	72,858
Assets
Current assets	355,167	1,196,939
Non-current assets	3,426,324	5,157
Liabilities
Current liabilities	12,078,894	(12,388,857)
Non-current liabilities	(1,710,232)
Mandatory redeemable preferred shares	(400,000)	(400,000)
Intercompany balances	(1,238,399)	(1,330,423)
Net liability position	(11,646,034)	(12,917,184)
Penalty on convertible notes		(9,240)
Fair value of warrants granted		(976,788)
Fair value of warrants exercised		(90,000)
Total [Member]
Revenue	1,023,315	90,793
Operating expenditure	(948,375)	(52,016)
Operating income (loss)	74,940	38,777
Other (expense) income
Other income	10,018
Interest expense	80,768	(137,677)
Amortization of debt discount	(252,832)	(502,677)
Derivative liability movement		(611,059)
Derivative liability movement	197,476
Foreign exchange movements	95,556	(79,492)
Net loss before taxation	(146,722)	(2,368,156)
Taxation	(18,263)
Net loss	(164,985)	(2,368,156)
Purchase of fixed assets	72,858
Assets
Current assets	355,718	1,201,519
Non-current assets	6,200,238	2,891,018
Liabilities
Current liabilities	13,669,609	(13,873,825)
Non-current liabilities	(2,346,809)	(4,645,209)
Mandatory redeemable preferred shares	(400,000)	(400,000)
Intercompany balances
Net liability position	$ (9,860,462)	(14,826,497)
Penalty on convertible notes		(9,240)
Fair value of warrants granted		(976,788)
Fair value of warrants exercised		$ (90,000)