Commitments and Contingencies	3 Months Ended
Mar. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	5. Commitments and Contingencies *Indemnities and Guarantees* Our bylaws require that we indemnify each of our executive officers and directors for certain events or occurrences arising as a result of the officer or director serving in such capacity. The term of the indemnification period is for the officer’s or director’s lifetime. The maximum potential amount of future payments we could be required to make under these indemnification agreements is unlimited. However, we have a directors’ and officers’ liability insurance policy that should enable us to recover a portion of future amounts paid. As a result of our insurance policy coverage, we believe the estimated fair value of these indemnification agreements is minimal and we have no liabilities recorded for these agreements as of March 31, 2019 and December 31, 2018. We enter into indemnification provisions under our agreements with other companies in the ordinary course of business, typically with business partners, contractors, customers and landlords. Under these provisions we generally indemnify and hold harmless the indemnified party for losses suffered or incurred by the indemnified party as a result of our activities or, in some cases, as a result of the indemnified party’s activities under the agreement. These indemnification provisions often include indemnifications relating to representations made by us with regard to intellectual property rights. These indemnification provisions generally survive termination of the underlying agreement. The maximum potential amount of future payments we could be required to make under these indemnification provisions is unlimited. We have not incurred material costs to defend lawsuits or settle claims related to these indemnification agreements. As a result, we believe the estimated fair value of these agreements is minimal. Accordingly, we have no liabilities recorded for these indemnification provisions as of March 31, 2019 and December 31, 2018. *Non-Recurring Engineering Development Costs* On April 25, 2013, we entered into an Analog Device Development Agreement with an effective date of December 6, 2012 (the “NN1002 Agreement”) with Texas Instruments (“TI”) pursuant to which TI agreed to integrate our intellectual property into an ASIC. 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 March 31, 2019, we had made no payments to TI under the NN1002 Agreement. On December 4, 2014, we entered into an Analog Device Development Agreement (the “NN1003 Agreement”) with STMicroelectronics International N.V. (“STMicro”) pursuant to which STMicro agreed to integrate our intellectual property into an ASIC. The NN1003 ASIC only can be sold by STMicro exclusively to our licensees. Under the terms of the NN1003 Agreement, we agreed to reimburse STMicro up to $835,000 of nonrecurring engineering costs. As of March 31, 2019 we paid a total of $835,000 of the non-recurring engineering costs and all obligations related to the NN1003 Agreement have been satisfied. 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 March 31, 2019, we had reimbursed for 1,832 units under the NN1003 Agreement.

Commitments and Contingencies

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

5. Commitments and Contingencies

Indemnities and Guarantees

Our bylaws require that we indemnify each of our executive officers and directors for certain events or occurrences arising as a result of the officer or director serving in such capacity. The term of the indemnification period is for the officer’s or director’s lifetime. The maximum potential amount of future payments we could be required to make under these indemnification agreements is unlimited. However, we have a directors’ and officers’ liability insurance policy that should enable us to recover a portion of future amounts paid. As a result of our insurance policy coverage, we believe the estimated fair value of these indemnification agreements is minimal and we have no liabilities recorded for these agreements as of March 31, 2019 and December 31, 2018.

We enter into indemnification provisions under our agreements with other companies in the ordinary course of business, typically with business partners, contractors, customers and landlords. Under these provisions we generally indemnify and hold harmless the indemnified party for losses suffered or incurred by the indemnified party as a result of our activities or, in some cases, as a result of the indemnified party’s activities under the agreement. These indemnification provisions often include indemnifications relating to representations made by us with regard to intellectual property rights. These indemnification provisions generally survive termination of the underlying agreement. The maximum potential amount of future payments we could be required to make under these indemnification provisions is unlimited. We have not incurred material costs to defend lawsuits or settle claims related to these indemnification agreements. As a result, we believe the estimated fair value of these agreements is minimal. Accordingly, we have no liabilities recorded for these indemnification provisions as of March 31, 2019 and December 31, 2018.

Non-Recurring Engineering Development Costs

On April 25, 2013, we entered into an Analog Device Development Agreement with an effective date of December 6, 2012 (the “NN1002 Agreement”) with Texas Instruments (“TI”) pursuant to which TI agreed to integrate our intellectual property into an ASIC. 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 March 31, 2019, we had made no payments to TI under the NN1002 Agreement.

On December 4, 2014, we entered into an Analog Device Development Agreement (the “NN1003 Agreement”) with STMicroelectronics International N.V. (“STMicro”) pursuant to which STMicro agreed to integrate our intellectual property into an ASIC. The NN1003 ASIC only can be sold by STMicro exclusively to our licensees. Under the terms of the NN1003 Agreement, we agreed to reimburse STMicro up to $835,000 of nonrecurring engineering costs. As of March 31, 2019 we paid a total of $835,000 of the non-recurring engineering costs and all obligations related to the NN1003 Agreement have been satisfied.

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 March 31, 2019, we had reimbursed for 1,832 units under the NN1003 Agreement.