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Summary of Significant Accounting Policies (Details Textual) - Segment, Geographical [Domain]
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2015
USD ($)
Customers
Jun. 30, 2014
USD ($)
Customers
Jun. 30, 2015
USD ($)
Customers
Jun. 30, 2014
USD ($)
Customers
Dec. 31, 2014
USD ($)
Customers
Jun. 30, 2015
JPY (¥)
Jun. 30, 2015
SEK
Jun. 30, 2015
KRW (₩)
Summary of Significant Accounting Policies (Textual)                
Basic deposit coverage limits per owner and customer $ 250,000   $ 250,000     ¥ 10,000,000 SEK 100,000 ₩ 50,000,000
Allowance for doubtful accounts 167,000   167,000   $ 167,000      
Environmental Costs Recognized, Capitalized in Period     725,000   $ 200,000      
Foreign currency translation adjustments (49,000) $ 30,000 (47,000) $ 65,000        
Foreign currency translation included in general and administrative expense 5,000 8,000 31,000 34,000        
Advertising costs $ 8,000 $ 23,000 $ 28,000 $ 129,000        
Exchange rate for the consolidated balance sheets (Swedish Krona to one U.S. Dollar) 8.42 6.60 8.42 6.60   8.42 8.42 8.42
Excess of insurance limits $ 2,700,000   $ 2,700,000          
Weighted-average exchange rate for consolidated statements of operations (Swedish Krona to one U.S. Dollar)     8.37 6.53        
Exchange rate for the consolidated balance sheets (Swedish Krona to one U.S. Dollar) 8.31   8.31   7.80 8.31 8.31 8.31
Weighted-average exchange rate for consolidated statements of operations (Japanese Yen to one U.S. Dollar) 121.29% 120.12% 120.23% 102.47%        
Exchange rate for the consolidated balance sheets (Japanese Yen to one U.S. Dollar ) 122.72%   122.72%   119.93% 122.72% 122.72% 122.72%
Weighted-average exchange rate (South korean to one U.S. Dollar) 1,096.06   1,098.02          
Number of customers | Customers 21 19 27 22        
Central Deposit Insurance Corporation $ 3,000,000   $ 3,000,000          
Weighted-average exchange rate (Taiwan Dollar to one U.S) 30.78   31.17          
Exchange rate for the consolidated balance sheets (Taiwan Dollar to one U.S) 30.92   30.92     30.92 30.92 30.92
Exchange rate for the consolidated balance sheets (South korean to one U.S. Dollar ) 1,126.89   1,126.89   1,096.73 1,126.89 1,126.89 1,126.89
Accounts Receivable [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage     90.00%   87.00%      
Number of customers | Customers     2   3      
Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage 10.00% 10.00% 10.00% 10.00%        
Hewlett Packard [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage 28.00% 12.00% 29.00%          
Kobo Inc [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage   15.00%   13.00%        
Leap Frog Enterprises Inc [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage       19.00%        
Netronix Inc [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage   11.00%   13.00%        
Sony Corporation [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage       11.00%        
Amazon Inc [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage 11.00%   19.00%          
Autoliv Development AB [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage 31.00%   17.00%          
Wave Group Ltd [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage   11.00%            
Clarion Industries Co Ltd [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage   12.00%            
Delphi Electronics and Safety [Member] | Sales Revenue, Net [Member]                
Summary of Significant Accounting Policies (Textual)                
Concentration risk, Percentage   14.00%