The Company and Summary of Significant Accounting Policies (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 2 Months Ended
Jan. 31, 2012
Jun. 30, 2012
Person
Jun. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Jun. 30, 2011
Platform Customer B [Member]
Jun. 30, 2011
Platform Customer B [Member]
Jun. 30, 2012
Platform Customer B [Member]
Cost of Revenue [Member]
Jun. 30, 2012
Platform Customer B [Member]
Cost of Revenue [Member]
Jun. 30, 2011
Platform Customer D [Member]
Jun. 30, 2011
Platform Customer D [Member]
Jun. 30, 2012
Platform Customer D [Member]
Cost of Revenue [Member]
Jun. 30, 2012
Platform Customer D [Member]
Cost of Revenue [Member]
Jun. 30, 2012
Minimum [Member]
Accounts Receivable [Member]
Jun. 30, 2011
Minimum [Member]
Accounts Receivable [Member]
Jun. 30, 2012
Minimum [Member]
Accounts Receivable [Member]
Jun. 30, 2011
Minimum [Member]
Accounts Receivable [Member]
Jun. 30, 2012
Minimum [Member]
Revenue [Member]
Jun. 30, 2011
Minimum [Member]
Revenue [Member]
Jun. 30, 2012
Minimum [Member]
Revenue [Member]
Jun. 30, 2011
Minimum [Member]
Revenue [Member]
Jun. 30, 2012
Minimum [Member]
Cost of Revenue [Member]
Jun. 30, 2011
Minimum [Member]
Cost of Revenue [Member]
Jun. 30, 2012
Minimum [Member]
Cost of Revenue [Member]
Jun. 30, 2011
Minimum [Member]
Cost of Revenue [Member]
Feb. 29, 2012
IPO [Member]
Subsidiary, Sale of Stock [Line Items]                                                    
Concentration risk, percentage               17.00% 17.00%     12.00% 12.00% 10.00% 10.00% 10.00% 10.00% 10.00% 10.00% 10.00% 10.00% 10.00% 10.00% 10.00% 10.00%  
Number of common stock sold to the public                                                   6,818,170
Sale of stock, price per share                                                   $ 5.00
Shares sold by company                                                   5,454,545
Shares sold by selling stockholders                                                   1,363,625
Proceeds from IPO, net of underwriters discounts and commissions   $ 25,364                                                $ 25,364
Offeringe expenses                                                   3,016
Percentage of revenue share paid out of company's cost-of-revenue           Less Than 10% Less Than 10%     Less Than 10% Less Than 10%                              
Company' s cash and cash equivalents   35,058 4,139 10,925 5,412                                          
Employees hired from related party   7                                                
The Company and Summary of Significant Accounting Policies (Textual) [Abstract]                                                    
Aggregate purchase price for the acquired assets 1,100                                                  
Amount paid upon consummation of the acquisition 600                                                  
Payment remaining, due in April 2013   500                                                
Surplus amount recorded as goodwill $ 819