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Commitments and Contingencies (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 6 Months Ended
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Dec. 04, 2014 | Apr. 25, 2013 | Jun. 30, 2019
Commitments and Contingencies (Textual) |  |  |
Non-recurring engineering development costs contributed to TI | $ 835 | $ 500 |
Non-recurring engineering costs, description | Under the terms of the NN1003 Agreement, we also will reimburse ST Microelectronics a non-recurring engineering fee of $5.00 per each of the first 10,000 units sold. As of June 30, 2019, we had reimbursed for 1,832 units under the NN1003 Agreement. | Under the terms of the NN1002 Agreement, we agreed to pay TI $500,000 of non-recurring engineering costs at the rate of $0.25 per ASIC for each of the first 2 million ASICs sold. As of June 30, 2019, we had made no payments to TI under the NN1002 Agreement. | We paid a total of $835,000 of the non-recurring.

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