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Business Combination (Tables)
 12 Months Ended
Dec. 31, 2012
Business Combination [Abstract]  
Schedule of Purchase Price Allocation
The GVT business purchase price of $2.4 million was allocated based on the below fair value estimates of the acquired assets and liabilities: 
Customer relationships
$
500

    Total identifiable net assets
$
500

Goodwill
1,867

Total purchase price allocation
$
2,367
Business Acquisition, Pro Forma Information
These pro forma results have been prepared for informational purposes only and may not be indicative of what operating results would have been, had the acquisition actually taken place on January 1, 2011, and may not be indicative of future operating results.

(Pro Forma and Unaudited)

Year Ended December 31,

2012

2011
Pro Forma Revenue
$
106,132


$
83,879

Pro Forma Cost of goods sold
25,282


18,746

Pro Forma Total operating expenses
102,430


84,402

Pro Forma Net loss
(35,464
)

(28,862
)
Pro Forma Net loss per share - basic and diluted
(0.59
)

(0.51
)