Statement of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total		Common Shares [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
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	(3,263)				(3,263)
Stock option compensation expense	634			634
Issued pursuant to exercise of stock options	$ 44		$ 94	(50)
Issued pursuant to exercise of stock options (in Shares)	16,246	[1]	16,246
Fair value adjustment upon reclassification of stock options	$ (286)			(286)
Balance at Mar. 31, 2016	$ 58,163		$ 148,728	$ 33,381	$ (122,956)	$ (990)	[2]
Balance (in Shares) at Mar. 31, 2016			14,401,582

[1] During the three months ended March 31, 2016, 16,246 stock options were exercised for the same number of common shares for cash (three months ended March 31, 2015 – 26,910). In the same period, the Company did not issue any common shares (three months ended March 31, 2015 – 14,032) for the cashless exercise of stock options (three months ended March 31, 2015 – 17,746).

[2] At March 31, 2016, 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.