Geographic Information - Summary of Net Sales (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 16,621	$ 6,699	$ 29,766	$ 11,618
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	16,219	5,590	28,822	9,873
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 402	$ 1,109	$ 944	$ 1,745