Share-based Compensation Expense (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of share-based compensation expense

Share-based compensation expense for the three and six months ended June 30, 2014 and 2013 has been recorded as follows:

	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
Cost of goods sold	$	2	$	2	$	4	$	4
Sales and marketing	20		19		40		34
Research and product development	10		13		21		24
General and administrative	52		33		103		64
	$	84	$	67	$	168	$	126