Statement of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total		Common Shares [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	[1]
Balance at Dec. 31, 2014	$ 72,779		$ 147,157	$ 30,346	$ (103,734)	$ (990)
Balance (in Shares) at Dec. 31, 2014			14,181,333
Net loss	(15,752)				(15,752)
Stock option compensation expense	2,077			2,077
Issued pursuant to exercise of stock options	278		$ 1,477	(992)	(207)
Issued pursuant to exercise of stock options (in Shares)			204,003
Fair value adjustment upon reclassification of stock options	1,652			1,652
Balance at Dec. 31, 2015	61,034		$ 148,634	33,083	(119,693)	(990)
Balance (in Shares) at Dec. 31, 2015			14,385,336
Net loss	(9,279)				(9,279)
Stock option compensation expense	1,106			1,106
Issued pursuant to exercise of stock options	$ 82		$ 233	(151)
Issued pursuant to exercise of stock options (in Shares)	30,529	[2]	30,011
Fair value adjustment upon reclassification of stock options	$ (286)			(286)
Balance at Jun. 30, 2016	$ 52,657		$ 148,867	$ 33,752	$ (128,972)	$ (990)
Balance (in Shares) at Jun. 30, 2016			14,415,347

[1] Our accumulated other comprehensive loss is entirely related to historical cumulative translation adjustments from the application of U.S. dollar reporting when the functional currency of the Company was the Canadian dollar.

[2] During the six months ended June 30, 2016, 29,270 stock options were exercised for the same number of common shares for cash (six months ended June 30, 2015 – 53,442). In the same period, the Company issued 741 common shares (six months ended June 30, 2015 – 32,399) for the cashless exercise of 1,259 stock options (six months ended June 30, 2015 – 46,369).