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Summary of Significant Accounting Policies (Details Textual)	0 Months Ended	12 Months Ended				12 Months Ended												12 Months Ended
	Oct. 16, 2013 USD ($)	Dec. 31, 2013 USD ($) Customer	Dec. 31, 2012 USD ($) Customer	Dec. 31, 2011 USD ($) Customer	Dec. 31, 2010 USD ($)	Dec. 31, 2012 Amazon [Member]	Dec. 31, 2011 Amazon [Member]	Dec. 31, 2013 KOBO Inc [Member]	Dec. 31, 2012 KOBO Inc [Member]	Dec. 31, 2011 KOBO Inc [Member]	Dec. 31, 2013 Sony Corporation [Member]	Dec. 31, 2012 Sony Corporation [Member]	Dec. 31, 2011 Sony Corporation [Member]	Dec. 31, 2011 Barnes and Noble [Member]	Dec. 31, 2013 Netronix Inc [Member]	Dec. 31, 2013 Leap Frog Enterprises Inc [Member]	Dec. 31, 2013 Huizhou Desay SV Automotive Co., LTD	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 US [Member] USD ($)	Dec. 31, 2013 Sweden [Member] EUR (€)	Dec. 31, 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						32.00%	40.00%	28.00%	26.00%	11.00%	11.00%	17.00%	21.00%	26.00%	18.00%	12.00%
Percentage of net revenues earned from major customers		10.00%	10.00%	10.00%
Days of reporting period stipulated in the contract																		30 days	45 days
license revenues related to products shipped	713,000
Percentage of accounts receivable due by major customers								46.00%	39.00%			24.00%					10.00%
Excess of insurance limits		8,400,000
Gains or (losses) resulting from foreign currency transactions		(155,000)	(50,000)	44,000
Foreign currency translation gain (loss)		6,000	(8,000)	76,000
Revenue earned, number of customers		29	20	7
Advertising costs		141,000	312,000	241,000
Unrecognized tax benefits
Weighted-average exchange rate for consolidated statements of operations (Swedish Krona to one U.S. Dollar)		6.51	6.78	6.50
Exchange rate for the consolidated balance sheets (Swedish Krona to one U.S. Dollar)		6.48	6.52
Weighted-average exchange rate for consolidated statements of operations (Japanese Yen to one U.S. Dollar)		97.58
Exchange rate for the consolidated balance sheets (Japanese Yen to one U.S. Dollar)		105.22

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