Segment information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Revenues	$ 66,694	$ 402,220	$ 179,996	$ 724,730
Operating expenses	795,468	371,657	1,327,315	1,297,835
Operating income (loss)	(728,774)	30,563	(1,147,319)	(573,105)
Other (expense) income
Other income		1,000		473,369
Other expense		(19,265)		(5,093,954)
Interest income	(49)			32,074
Interest expense	(176,587)	(93,603)	(347,038)	(156,620)
Foreign exchange movements	110,628	(6,438)	248,524	(164,347)
Net income (loss) before taxation from continuing operations	(2,931,462)	(161,829)	(4,147,618)	(5,817,376)
Taxation
Net income (loss) from continuing operations	(2,931,462)	(161,829)	(4,147,618)	(5,817,376)
Assets
Current assets	469,013		469,013		$ 334,619
Non-current assets	12,281,943		12,281,943		11,933,809
Liabilities
Current liabilities	10,577,854		10,577,854		$ 6,860,178
Rental Operations [Member]
Revenues	83,031	78,088	167,143	120,125
Operating expenses	45,102	54,875	76,504	60,953
Operating income (loss)	37,929	23,213	90,639	59,172
Other (expense) income
Other income
Other expense				(5,074,689)
Interest income
Interest expense	(42,845)	(61,535)	(92,895)	(98,188)
Amortization of debt discount
Loss on change in fair value of derivative liability
Foreign exchange movements	18,345		47,555
Net income (loss) before taxation from continuing operations	13,429	(38,322)	45,299	(5,113,705)
Taxation
Net income (loss) from continuing operations	13,429	(38,322)	45,299	(5,113,705)
Purchase of fixed assets	30,860		30,860
Assets
Current assets	(11,055)		(11,055)
Non-current assets	3,002,860		3,002,860
Liabilities
Current liabilities	(2,177,320)		(2,177,320)
Non-current liabilities	(4,016,836)		(4,016,836)
Intercompany balances	(771,823)		(771,823)
Net (liability) asset position	(3,974,174)		(3,974,174)
In-Patient services [Member]
Revenues	(16,337)	324,132	12,853	604,605
Operating expenses	750,366	316,782	1,250,811	1,236,882
Operating income (loss)	(766,703)	7,350	(1,237,958)	(632,277)
Other (expense) income
Other income		1,000		473,369
Other expense		(19,265)		(19,265)
Interest income	(49)			32,074
Interest expense	(133,742)	(32,068)	(254,143)	(58,432)
Amortization of debt discount	(1,339,885)	(241,666)	(2,092,834)	(429,325)
Loss on change in fair value of derivative liability	(796,795)	167,580	(808,951)	94,532
Foreign exchange movements	92,283	(6,438)	200,969	(164,347)
Net income (loss) before taxation from continuing operations	(2,944,891)	(123,507)	(4,192,917)	(703,671)
Taxation
Net income (loss) from continuing operations	(2,944,891)	(123,507)	(4,192,917)	(703,671)
Purchase of fixed assets	10,750		10,750
Assets
Current assets	480,068		480,068
Non-current assets	9,279,083		9,279,083
Liabilities
Current liabilities	(8,400,534)		(8,400,534)
Non-current liabilities	(2,913,724)		(2,913,724)
Intercompany balances	771,823		771,823
Net (liability) asset position	(783,284)		(783,284)
Total [Member]
Revenues	66,694	402,220	179,996	724,730
Operating expenses	795,468	371,657	1,327,315	1,297,835
Operating income (loss)	(728,774)	30,563	(1,147,319)	(573,105)
Other (expense) income
Other income		1,000		473,369
Other expense		(19,265)		(5,093,954)
Interest income	(49)			32,074
Interest expense	(176,587)	(93,603)	(347,038)	(156,620)
Amortization of debt discount	(1,339,885)	(241,666)	(2,092,834)	(429,325)
Loss on change in fair value of derivative liability	(796,795)	167,580	(808,951)	94,532
Foreign exchange movements	110,628	(6,438)	248,524	(164,347)
Net income (loss) before taxation from continuing operations	(2,931,462)	(161,829)	(4,147,618)	(5,817,376)
Taxation
Net income (loss) from continuing operations	(2,931,462)	$ (161,829)	(4,147,618)	$ (5,817,376)
Purchase of fixed assets	41,610		41,610
Assets
Current assets	469,013		469,013
Non-current assets	12,281,943		12,281,943
Liabilities
Current liabilities	(10,577,854)		(10,577,854)
Non-current liabilities	(6,930,560)		(6,930,560)
Intercompany balances
Net (liability) asset position	$ (4,757,458)		$ (4,757,458)