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Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Jun. 30, 2020
USD ($)
customers
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
customers
Summary of Significant Accounting Policies (Textual)                  
Basic deposit coverage limits per owner and customer $ 250           $ 250    
Allowance for doubtful accounts 85   $ 85       85   $ 85
Costs capitalized in projects in process             0   8
Foreign currency translation adjustments 64 $ (87) 117 $ (145) $ 26 $ (181) (23) $ (155)  
Foreign currency transactions, general and administrative expenses $ (63)       $ (57)   (14) $ 114  
Investment in joint venture             $ 3    
Equity ownership percentage 50.00%           50.00%    
Concentration risk, percentage 100.00%       100.00%   100.00% 100.00%  
Advertising costs $ 9       $ 29   $ 16 $ 48  
Noncontrolling interest, description             Noncontrolling interests’ partners have less than 50% share of voting rights at any one of the subsidiary level companies.    
Recognized of Revenues 6           $ 32    
Inventory reserve amount 700   $ 800       $ 700   $ 800
insurance coverage Description             For deposits held with financial institutions in the U.S., the U.S. Federal Deposit Insurance Corporation, provides basic deposit coverage with limits up to $250,000 per owner. The Swedish government provides insurance coverage up to 100,000 Euro per customer and covers deposits in all types of accounts. The Japanese government provides insurance coverage up to 10,000,000 Yen per customer. The Korea Deposit Insurance Corporation provides insurance coverage up to 50,000,000 Won per customer. The Central Deposit Insurance Corporation in Taiwan provides insurance coverage up to 3,000,000 Taiwan Dollar per customer. At times, deposits held with financial institutions may exceed the amount of insurance provided.    
Initial drawdown $ 1,000           $ 1,000    
AirBar [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Inventory description             To protect our manufacturing partner from losses in relation to AirBar production, we agreed to secure the value of the inventory with a bank guarantee covering the production of 20,000 AirBars. Excess inventory was purchased from our manufacturing partner in 2019 and has been fully reserved.    
Accounts Receivable [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Concentration risk, percentage             79.00%   72.00%
No. of customers | customers             4   3
Sales Revenue, Net [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Concentration risk, percentage 10.00%       10.00%   10.00% 10.00%  
Sales Revenue, Net [Member] | Epson [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Concentration risk, percentage 35.00%       11.00%   24.00% 14.00%  
Sales Revenue, Net [Member] | Hewlett Packard [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Concentration risk, percentage 27.00%       45.00%   33.00% 41.00%  
Sales Revenue, Net [Member] | Alpine [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Concentration risk, percentage 12.00%       13.00%   17.00% 12.00%  
Sales Revenue, Net [Member] | Bosch [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Concentration risk, percentage         11.00%        
Sweden [Member] | Pronode Technologies AB [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Noncontrolling interest owned by Pronode Technologies AB 51.00%           51.00%    
Noncontrolling interest owned by Propoint AB 49.00%           49.00%