CONSOLIDATED STATEMENTS OF CASH FLOWS	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Operating Activities
Loss for the year	$ (4,812,824)	$ (7,767,096)	$ (9,852,480)
Add items not affecting cash:
Depreciation	7,047	15,779	21,800
Share-based payments	540,468	1,285,385	3,564,273
Unrealized gain on derivative liability	(800,000)	(100,000)	(7,600,000)
Impairment of available-for-sale securities	219,402	0	298,769
Write-down of advance to contractors	0	0	482,009
Other	0	15,004	0
Changes in non-cash items:
Accounts receivable	115,527	44,744	393,437
Prepaid expenses	(27,786)	25,727	18,193
Advance to contractors	30,682	(30,682)	100,000
Accounts payable and accrued liabilities	(612,304)	(332,439)	(2,246,348)
Cash used in operating activities	(5,339,788)	(6,843,578)	(14,820,347)
Financing Activities
Issuance of share capital	0	7,315,917	0
Share issuance costs	0	(24,828)	0
Cash provided by financing activities	0	7,291,089	0
Investing Activities
Change in restricted cash	0	30,477	(30,477)
Capitalized acquisition costs	0	(30,477)	0
Cash used in investing activities	0	0	(30,477)
Effect of foreign exchange on cash	(1,688,199)	(851,639)	(1,394,480)
Decrease in cash and cash equivalents	(7,027,987)	(404,128)	(16,245,304)
Cash and cash equivalents, beginning of year	13,521,473	13,925,601	30,170,905
Cash and cash equivalents, end of year	$ 6,493,486	$ 13,521,473	$ 13,925,601