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Summary of Significant Accounting Policies (Details Textual) | 3 Months Ended | 9 Months Ended | 12 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 |
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Sep. 30, 2013 USD ($) Customers | Sep. 30, 2012 USD ($) Customers | Sep. 30, 2013 USD ($) Customers | Sep. 30, 2012 USD ($) Customers | Dec. 31, 2012 Customers | Sep. 30, 2013 Leap Frog Enterprises Inc [Member] | Sep. 30, 2013 Leap Frog Enterprises Inc [Member] | Sep. 30, 2012 Amazon [Member] | Sep. 30, 2012 Amazon [Member] | Sep. 30, 2012 Kobo Inc [Member] | Sep. 30, 2013 Kobo Inc [Member] | Sep. 30, 2012 Kobo Inc [Member] | Sep. 30, 2013 Sony Corporation [Member] | Sep. 30, 2012 Sony Corporation [Member] | Sep. 30, 2013 Sony Corporation [Member] | Sep. 30, 2012 Sony Corporation [Member] | Sep. 30, 2013 Netronix Inc [Member] | Sep. 30, 2012 BYD Precision Manufacture Company Limited [Member] | Sep. 30, 2013 Pro Point [Member] | Sep. 30, 2013 Minimum [Member] | Sep. 30, 2013 Maximum [Member] | Sep. 30, 2013 US [Member] USD ($) | Sep. 30, 2013 Sweden [Member] EUR (€) | Sep. 30, 2013 Japan [Member] JPY (¥)
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic deposit coverage limits per owner and customer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 250,000 | € 100,000 | ¥ 10,000,000
Entity-Wide Revenue, Major Customer, Percentage |  |  |  |  |  | 36.00% | 16.00% | 31.00% | 46.00% | 27.00% | 19.00% | 16.00% | 16.00% | 18.00% | 15.00% | 14.00% | 14.00% | 13.00% | 12.00% |  |  |  |  |
Percentage of net revenues earned from major customers | 10.00% | 10.00% | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Days of reporting period stipulated in the contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 days | 45 days |  |  |
Excess of insurance limits | 9,300,000 |  | 9,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gains or (losses) resulting from foreign currency transactions | (33,000) | 71,000 | 157,000 | 82,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation gain (loss) | (46,000) | 67,000 | 8,000 | 39,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, Number of major customer |  |  | 16 |  | 15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue earned, Number of customers | 15 | 9 | 25 | 18 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of accounts receivable due by three major customers | 54.00% |  | 54.00% |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advertising costs | $ 31,000 | $ 20,000 | $ 302,000 | $ 160,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exchange rate for consolidated statements of operations (Swedish Krona to one U.S. Dollar) | 6.51 | 6.79 | 6.43 | 6.52 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate for the consolidated balance sheets (Swedish Krona to one U.S. Dollar) | 6.70 |  | 6.70 |  | 6.52 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exchange rate for consolidated statements of operations (Japanese Yen to one U.S. Dollar) | 98.88 |  | 96.63 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate for the consolidated balance sheets (Japanese Yen to one U.S. Dollar) | 98.22 |  | 98.22 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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