Licenses (Tables) (Licenses)

12 Months Ended

Dec. 31, 2013

Licenses

Licenses

Schedule of licenses

	December 31, 2013
			Accumulated		Net book
	Cost		amortization		value
Inactivated hepatitis A	3,490		3,490		—
Combined inactivated hepatitis A&B	502		452		50
H5N1 licenses (note 22)	1,519		797		722
Total	$	5,511	$	4,739	$	772

	December 31, 2012
			Accumulated		Net book
	Cost		amortization		value
Inactivated hepatitis A	3,391		3,391		—
Combined inactivated hepatitis A&B	488		390		98
H5N1 licenses (note 22)	1,476		424		1,052
Total	$	5,355	$	4,205	$	1,150

Schedule of estimated amortization expense for the existing licenses over their remaining useful lives

Estimated amortization expense for the existing licenses over their remaining useful lives as of December 31, 2013 is as follows:

Within 1 year	$	411
Between 1 and 2 years	361
Between 2 and 3 years	—
Total	$	772