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Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 9 Months Ended 16 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
Sep. 30, 2012
USD ($)
Customer
Sep. 30, 2011
USD ($)
Customer
Sep. 30, 2012
USD ($)
Customer
Sep. 30, 2011
USD ($)
Customer
Sep. 30, 2011
Contract
Dec. 31, 2011
USD ($)
Customer
Sep. 30, 2012
Amazon [Member]
Sep. 30, 2012
Amazon [Member]
Sep. 30, 2012
Kobo [Member]
Sep. 30, 2012
Kobo [Member]
Sep. 30, 2012
Sony Corporation [Member]
Sep. 30, 2012
Sony Corporation [Member]
Sep. 30, 2012
Barnes and Noble [Member]
Sep. 30, 2012
Minimum [Member]
Sep. 30, 2012
Minimum [Member]
Sep. 30, 2012
Maximum [Member]
Sep. 30, 2012
US [Member]
USD ($)
Sep. 30, 2012
Sweden [Member]
EUR (€)
Summary of Significant Accounting Policies (Textual)                                    
Basic deposit coverage limits per customer                                 $ 250,000 € 100,000
Useful lives                             3 years 5 years    
Entity-Wide Revenue, Major Customer, Percentage 100.00% 100.00% 100.00% 100.00%     31.00% 46.00% 27.00% 16.00% 18.00% 14.00% 13.00%          
Percentage of net revenues earned from major customers   94.00%   89.00%                   10.00% 10.00%      
Days of reporting period stipulated in the contract                             30 days 45 days    
Excess of insurance limits 10,800,000   10,800,000                              
Impairment of long-lived assets     0                              
Gains or (losses) resulting from foreign currency transactions 71,000 41,000 82,000 (16,000)                            
Foreign currency translation adjustments 67,000 (34,000) 39,000 (16,000)                            
Fair value of embedded conversion features           0                        
Revenue earned, Number of customers 9 6 18 8                            
Number of customers who contributed in net revenue   3   3                            
Accounts receivable due, Number of customers 11   11     5                        
Percentage of accounts receivale due by three major customers 77.00%   77.00%                              
Percentage of accounts receivale due by two major customers           87.00%                        
Number of technology license contracts with customers         12                          
Explicit return from licensing revenue     0                              
Advertising costs 20,000 302,000 29,000 100,000                            
Unrecognized tax benefits $ 0   $ 0     $ 0                        
Weighted-average exchange rate for consolidated statements of operations (Swedish Krona to one U.S. Dollar) 6.67 6.48 6.79 6.41                            
Exchange rate for the consolidated balance sheets (Swedish Krona to one U.S. Dollar) 6.53   6.53     6.92