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Summary of Significant Accounting Policies (Details Textual) | 3 Months Ended | 6 Months Ended | 12 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 |
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Jun. 30, 2013 USD ($) Customer | Jun. 30, 2012 USD ($) Customer | Jun. 30, 2013 USD ($) Customer | Jun. 30, 2012 USD ($) Customer | Dec. 31, 2012 Customer | Jun. 30, 2012 Amazon [Member] | Jun. 30, 2012 Amazon [Member] | Jun. 30, 2013 Kobo Inc [Member] | Jun. 30, 2012 Kobo Inc [Member] | Jun. 30, 2013 Kobo Inc [Member] | Jun. 30, 2013 Sony Corporation [Member] | Jun. 30, 2012 Sony Corporation [Member] | Jun. 30, 2013 Sony Corporation [Member] | Jun. 30, 2012 Sony Corporation [Member] | Jun. 30, 2013 Netronix Inc [Member] | Jun. 30, 2013 Netronix Inc [Member] | Jun. 30, 2013 BYD Precision Manufacture Company Limited [Member] | Jun. 30, 2013 Minimum [Member] | Jun. 30, 2013 Maximum [Member] | Jun. 30, 2013 US [Member] USD ($) | Jun. 30, 2013 Sweden [Member] EUR (€) | Jun. 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 |  |  |  |  |  | 53.00% | 53.00% | 18.00% | 11.00% | 27.00% | 13.00% | 11.00% | 15.00% | 13.00% | 16.00% | 18.00% | 11.00% |  |  |  |  |
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 | 5,000,000 |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gains or (losses) resulting from foreign currency transactions | 87,000 | 73,000 | 124,000 | 11,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation gain (loss) | 41,000 | (72,000) | 54,000 | (28,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable due, Number of aggregate customers |  |  | 12 |  | 15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, Number of major customer |  |  | 3 |  | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue earned, Number of customers | 17 | 12 | 20 | 16 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of accounts receivable due by three major customers | 54.00% |  | 54.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advertising costs | $ 5,000 | $ 129,000 | $ 85,000 | $ 282,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exchange rate for consolidated statements of operations (Swedish Krona to one U.S. Dollar) | 6.56 | 6.95 | 6.50 | 6.85 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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) | 98.75 |  | 95.49 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate for the consolidated balance sheets (Japanese Yen to one U.S. Dollar) | 99.1 |  | 99.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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