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Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2015 USD ($) Customers	Dec. 31, 2014 USD ($) Customers	Dec. 31, 2013 USD ($) Customers	Dec. 31, 2015 SEK	Dec. 31, 2015 TWD	Dec. 31, 2015 KRW (₩)	Dec. 31, 2015 JPY (¥)
Summary of Significant Accounting Policies (Textual)
Noncontrolling interest owned by Pronode Technologies AB	51.00%			51.00%	51.00%	51.00%	51.00%
Noncontrolling interest owned by Propoint AB	49.00%			49.00%	49.00%	49.00%	49.00%
Basic deposit coverage limits per owner and customer	$ 250,000			SEK 100,000	TWD 3,000,000	₩ 50,000,000	¥ 10,000,000
Allowance for doubtful accounts	167,000	$ 167,000
Environmental Costs Recognized, Capitalized in Period	158,000	200,000
Foreign currency translation included in general and administrative expense	62,000	(37,000)	$ (155,000)
Foreign currency translation adjustments	(103,000)	$ 138,000	$ 6,000
Cost of sales	165,000
Advertising costs	$ 328,000	$ 172,000	$ 141,000
Noncontrolling interest, Description	Noncontrolling interests' partners have less than 50% share of voting rights at any one of the subsidiary level companies.
Number of customers \| Customers	35	29	32
Accounts Receivable [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage	78.00%	87.00%
Number of customers \| Customers	3	3
Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage	10.00%	10.00%	10.00%
Hewlett Packard [Member] \| Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage	25.00%	24.00%
KOBO Inc [Member] \| Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage		10.00%	28.00%
Leap Frog Enterprises Inc [Member] \| Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage		11.00%	12.00%
Netronix Inc [Member] \| Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage			18.00%
Sony Corporation [Member] \| Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage		10.00%	11.00%
Amazon Inc [Member] \| Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage	14.00%
Autoliv [Member] \| Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, Percentage	21.00%
Two customer [Member]
Summary of Significant Accounting Policies (Textual)
Deferred license fee	$ 1,100,000
Number of customers \| Customers	2
Four customer [Member]
Summary of Significant Accounting Policies (Textual)
Deferred license fee		$ 3,000
Number of customers \| Customers		4
One customer [Member]
Summary of Significant Accounting Policies (Textual)
Deferred license fee	$ 400
Number of customers \| Customers	1
Five customer [Member]
Summary of Significant Accounting Policies (Textual)
Deferred license fee		$ 400
Number of customers \| Customers		5
U.S. [Member]
Summary of Significant Accounting Policies (Textual)
Net assets (liabilities)	$ 2,533,000	$ 3,713,000
Europe [Member]
Summary of Significant Accounting Policies (Textual)
Net assets (liabilities)	(909,000)	(461,000)
Asia [Member]
Summary of Significant Accounting Policies (Textual)
Net assets (liabilities)	$ 209,000	$ 18,000