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Summary of Significant Accounting Policies (Details Textual) | 12 Months Ended |
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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 |  |  |  |  |

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