Licenses (Tables)

12 Months Ended

Dec. 31, 2012

Licenses

Schedule of licenses

	December 31, 2012
			Accumulated		Net book
	Cost		amortization		value
Inactivated hepatitis A	3,391,061		3,391,061		—
Combined inactivated hepatitis A&B	487,626		389,281		98,345
H5N1 licenses (note 21)	1,475,886		424,317		1,051,569
Total	$	5,354,573	$	4,204,659	$	1,149,914
	December 31, 2011
			Accumulated		Net book
	Cost		amortization		value
Inactivated hepatitis A	3,319,347		3,319,347		—
Combined inactivated hepatitis A&B	477,313		332,916		144,397
H5N1 licenses (note 21)	1,444,675		252,818		1,191,857
Total	$	5,241,335	$	3,905,081	$	1,336,254

Schedule of estimated amortization expense for the remaining useful lives

2013	$	399,695
2014	399,695
2015	350,524
Total	$	1,149,914