The Company and Summary of Significant Accounting Policies (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 2 Months Ended
Jan. 31, 2012
Person
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2011
Platform Customer B [Member]
Sep. 30, 2012
Platform Customer B [Member]
Cost of Revenue [Member]
Sep. 30, 2011
Platform Customer B [Member]
Cost of Revenue [Member]
Sep. 30, 2012
Platform Customer B [Member]
Cost of Revenue [Member]
Sep. 30, 2011
Platform Customer D [Member]
Sep. 30, 2011
Platform Customer D [Member]
Sep. 30, 2012
Platform Customer D [Member]
Cost of Revenue [Member]
Sep. 30, 2012
Platform Customer D [Member]
Cost of Revenue [Member]
Sep. 30, 2012
Minimum [Member]
Accounts Receivable [Member]
Sep. 30, 2011
Minimum [Member]
Accounts Receivable [Member]
Sep. 30, 2012
Minimum [Member]
Accounts Receivable [Member]
Sep. 30, 2011
Minimum [Member]
Accounts Receivable [Member]
Sep. 30, 2012
Minimum [Member]
Revenue [Member]
Sep. 30, 2011
Minimum [Member]
Revenue [Member]
Sep. 30, 2012
Minimum [Member]
Revenue [Member]
Sep. 30, 2011
Minimum [Member]
Revenue [Member]
Sep. 30, 2012
Minimum [Member]
Cost of Revenue [Member]
Sep. 30, 2011
Minimum [Member]
Cost of Revenue [Member]
Sep. 30, 2012
Minimum [Member]
Cost of Revenue [Member]
Sep. 30, 2011
Minimum [Member]
Cost of Revenue [Member]
Feb. 29, 2012
IPO [Member]
Subsidiary, Sale of Stock [Line Items]                                                
Concentration risk, percentage         16.00% 11.00% 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
Offering expenses                                               3,016
Percentage of revenue-share payments received       Less Than 10%       Less Than 10% Less Than 10%                              
Employees hired from Carbyn 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                                            
Amount exceeding the fair value recorded as goodwill $ 819