Concentrations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 8,503	$ 6,137
North And South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,622	3,375
Europe, Middle East, And Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,107	2,042
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 774	$ 720
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues, percentage	62.00%	52.00%
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues, percentage	38.00%	48.00%
No Customer [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues, percentage		10.00%
Three Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues, percentage	36.00%