Patent Finance Obligations (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Current and Long-Term Portions of Obligations

The current and long-term portions of these obligations are reflected as follows:

	Gross		Unamortized Discount			Net Carrying Amount
As at December 31, 2014
Patent finance obligation, due    November 26, 2015	$	8,572	$	(217	)	$	8,355
Patent rights finance obligation, due    June 18, 2023		18,000		(609	)		17,391
Patent finance obligation, due    August 18, 2018		20,833		(1,696	)		19,137
		47,405		(2,522	)		44,883
Current portion							(17,418	)
						$	27,465
	Gross		Unamortized Discount			Net Carrying Amount
As at December 31, 2013
Patent finance obligation, due    December 27, 2014	$	2,670	$	-		$	2,670
Patent rights finance obligation, due    June 18, 2023		28,000		(979	)		27,021
Patent finance obligation, due    August 18, 2018		25,000		(2,659	)		22,341
		55,670		(3,638	)		52,032
Current portion							(19,480	)
						$	32,552

Schedule of Payments Expected

Payments are expected to be as follows:

2015	$	18,127
2016		8,556
2017		13,556
2018		7,166
	$	47,405