Patent Finance Obligations (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016
Patent rights finance obligation, due    June 18, 2023	$	14,000	$	(185	)	$	13,815
Patent finance obligation, due    August 18, 2018		9,722		(390	)		9,332
		23,722		(575	)		23,147
Current portion							(10,372	)
						$	12,775
	Gross		Unamortized Discount			Net Carrying Amount
As at December 31, 2015
Patent rights finance obligation, due    June 18, 2023	$	14,000	$	(364	)	$	13,636
Patent finance obligation, due    August 18, 2018		15,277		(933	)		14,344
		29,277		(1,297	)		27,980
Current portion							(8,085	)
						$	19,895

Schedule of Payments Expected

Payments are expected to be as follows:

2017		10,556
2018		11,166
2019		2,000
	$	23,722