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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% |  |

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