Segment information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenues	$ 359,947	$ 432,515
Operating expenditure	4,559,682	3,316,832
Operating income (loss)	(4,199,735)	(2,884,317)
Other (expense) income
Other income	6,600	6,009
Loss on sale of assets	(1,019,812)
Penalty on convertible notes	569,628
Deposit forfeited	1,665,078
Other expense		(8,000)
Interest income	17,226	5,334
Interest expense	(1,079,038)	(696,944)
Foreign exchange movements	(311,606)	428,053
Net income (loss) before taxation from continuing operations		(8,076,411)
Taxation		(102,232)
Net income (loss) from continuing operations		(8,178,643)
Assets
Current assets	255,442	407,848
Non-current assets	2,955,637	12,261,261
Liabilities
Current liabilities	18,575,858	13,677,716
Total
Revenues	359,947	432,515
Operating expenditure	(4,559,682)	3,316,832
Operating income (loss)	(4,199,735)	(2,884,317)
Other (expense) income
Other income	6,600	6,009
Loss on sale of assets	(1,019,812)
Penalty on convertible notes	(569,628)
Loss on debt conversion	(203,981)
Deposit forfeited	(1,665,078)
Other expense		(8,000)
Interest income	17,226	5,334
Interest expense	(1,079,038)	(696,944)
Amortization of debt discount	(3,338,760)	(4,504,007)
Change in fair value of derivative liability	(2,599,029)	(422,539)
Foreign exchange movements	(311,606)	428,053
Net income (loss) before taxation from continuing operations	(140,962,841)	(8,076,411)
Taxation
Net income (loss) from continuing operations	(140,962,841)	(8,076,411)
Purchase of fixed assets	95,254	320,117
Assets
Current assets	255,442	407,848
Non-current assets	2,955,637	12,261,261
Liabilities
Current liabilities	(18,575,858)	(13,677,716)
Non-current liabilities	(4,655,765)	(6,707,346)
Intercompany balances
Net liability position	(20,020,544)	(7,715,953)
Rental Operations
Revenues	331,584	331,001
Operating expenditure	17,200	157,841
Operating income (loss)	314,384	173,160
Other (expense) income
Other income
Loss on sale of assets
Penalty on convertible notes
Loss on debt conversion
Deposit forfeited
Other expense
Interest income
Interest expense	(396,100)	(178,220)
Amortization of debt discount
Change in fair value of derivative liability
Foreign exchange movements	(38,992)	78,177
Net income (loss) before taxation from continuing operations	(120,708)	73,117
Taxation
Net income (loss) from continuing operations	(120,708)	73,117
Purchase of fixed assets	72,386	46,667
Assets
Current assets	4,230	1,460
Non-current assets	2,955,637	2,855,981
Liabilities
Current liabilities	(1,280,442)	(2,028,940)
Non-current liabilities	(4,655,765)	(3,924,836)
Intercompany balances	596,872	788,944
Net liability position	(2,379,468)	(2,307,391)
In-Patient services
Revenues	28,363	101,514
Operating expenditure	4,542,482	3,158,991
Operating income (loss)	(4,514,119)	(3,057,477)
Other (expense) income
Other income	6,600	6,009
Loss on sale of assets	(1,019,812)
Penalty on convertible notes	(569,628)
Loss on debt conversion	(203,981)
Deposit forfeited	(1,665,078)
Other expense		(8,000)
Interest income	17,226	5,334
Interest expense	(682,938)	(518,724)
Amortization of debt discount	(3,338,760)	(4,504,007)
Change in fair value of derivative liability	(2,599,029)	(422,539)
Foreign exchange movements	(272,614)	349,876
Net income (loss) before taxation from continuing operations	(14,842,133)	(8,149,528)
Taxation
Net income (loss) from continuing operations	(14,842,133)	(8,149,528)
Purchase of fixed assets	22,868	273,450
Assets
Current assets	251,212	406,388
Non-current assets		9,405,280
Liabilities
Current liabilities	(17,295,416)	(11,648,776)
Non-current liabilities		(2,782,510)
Intercompany balances	(596,872)	(788,944)
Net liability position	$ (17,641,076)	$ (5,408,562)