8. INCOME TAX (Details 4) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Net income (loss)	$ (2,534)	$ (2,572)	$ (2,097)	$ (2,475)	$ (2,937)	$ (3,601)	$ (3,060)	$ (4,431)	$ (9,678)	$ (14,029)
Statutory tax rate									26.00%	26.00%
Tax expense (recovery) at statutoy rate									$ (2,516)	$ (3,648)
Foreign tax rates									(591)	(928)
Change in tax rates									166	27
Share issuance costs amortization									(103)	(220)
Stock based compensation									569	155
Nondeductible expenses									17	5
Prior year true-up for loss carryovers									43	20
Prior year true-up for property basis adjustments									0	(63)
Unrecognized benefit of non capital losses									0	0
Other									0	0
Change in valuation allowance									2,415	4,652
Income tax expense (recovery)									$ 0	$ 0