Warrants	6 Months Ended
Jun. 29, 2018
Equity [Abstract]
Warrants Disclosure	WARRANTS On September 26, 2016, the Company issued a Warrant to Comcast pursuant to which Comcast may, subject to certain vesting provisions, purchase up to 7,816,162 shares of the Company’s common stock, subject to adjustment in accordance with the terms of the Warrant, for a per share exercise price of $4.76. Comcast may exercise the Warrant for cash or on a net share basis. The Warrant expires on September 26, 2023 or the prior consummation of a change of control of the Company. Comcast’s right to purchase 781,617 shares vested as of the issuance date as an incentive to enter into the software license product supply agreement. Comcast’s rights to purchase an additional 1,954,042 shares in specified tranches vest upon achievement of certain milestones that occur upon or prior to Comcast’s election for enterprise license pricing for certain of the Company’s software products. Such pricing would obligate Comcast to make certain total payments to the Company over the term of the product supply agreement. These tranches include the right to purchase 1,172,425 shares upon the acceptance and completion of field trials and 781,617 shares upon the election date, as defined in the Warrant. Comcast’s rights to purchase an additional 1,172,425 shares in specified tranches vest when Comcast exceeds specified cumulative purchase amounts from the Company under the product supply agreement. Comcast’s rights to purchase the remaining shares vest in specified tranches at the earlier of Comcast’s enterprise license pricing election (if completed by a certain date) or achievement of specified cumulative purchase amounts from the Company. Because the Warrant contains performance criteria which Comcast must achieve for the Warrant to vest, the final measurement date for the Warrant is the date on which the Warrant vests. Prior to the final measurement, when achievement of the performance criteria has been deemed probable, the estimated fair value of the Warrant is recorded as a reduction to net revenue based on the projected number of shares underlying the Warrant that are expected to vest, the proportion of purchases by Comcast and its affiliates within the period relative to the aggregate purchase levels required for the Warrant to vest and the then-current fair value of the Warrant. To the extent that projections change as to the number of shares underlying the Warrant that will vest and the fair market value of the Warrant changes, a cumulative catch-up adjustment is recorded in the period in which the estimates change. The fair value of the Warrant is determined using the Black-Scholes option pricing model. The assumptions utilized in the Black-Scholes model include the risk-free interest rate, expected volatility, and expected life in years. The risk-free interest rate over the expected life is equal to the prevailing U.S. Treasury note rate over the same period. Expected volatility is determined utilizing historical volatility over a period of time equal to the expected life of the Warrant. Expected life is equal to the remaining contractual term of the Warrant. The dividend yield is assumed to be zero since the Company has not historically declared dividends and does not have any plans to declare dividends in the future. During the three and six months ended June 29, 2018, the Company recorded $0.3 million and $0.4 million, respectively, as a reduction to net revenues in connection with amortization of warrants. During the six months ended June 30, 2017, the Company recorded reduction to net revenues of $0.4 million in connection with amortization of warrants. No such charges were recorded for the three months ended June 30, 2017. The remaining unamortized value of the related asset of $0.6 million and $1.0 million as of June 29, 2018 and December 31, 2017, respectively, was recorded as a component of “Prepaid expenses and other current assets” on the Company’s Consolidated Balance Sheet.

WARRANTS

On September 26, 2016, the Company issued a Warrant to Comcast pursuant to which Comcast may, subject to certain vesting provisions, purchase up to 7,816,162 shares of the Company’s common stock, subject to adjustment in accordance with the terms of the Warrant, for a per share exercise price of $4.76. Comcast may exercise the Warrant for cash or on a net share basis. The Warrant expires on September 26, 2023 or the prior consummation of a change of control of the Company.

Comcast’s right to purchase 781,617 shares vested as of the issuance date as an incentive to enter into the software license product supply agreement. Comcast’s rights to purchase an additional 1,954,042 shares in specified tranches vest upon achievement of certain milestones that occur upon or prior to Comcast’s election for enterprise license pricing for certain of the Company’s software products. Such pricing would obligate Comcast to make certain total payments to the Company over the term of the product supply agreement. These tranches include the right to purchase 1,172,425 shares upon the acceptance and completion of field trials and 781,617 shares upon the election date, as defined in the Warrant.

Comcast’s rights to purchase an additional 1,172,425 shares in specified tranches vest when Comcast exceeds specified cumulative purchase amounts from the Company under the product supply agreement. Comcast’s rights to purchase the remaining shares vest in specified tranches at the earlier of Comcast’s enterprise license pricing election (if completed by a certain date) or achievement of specified cumulative purchase amounts from the Company.

Because the Warrant contains performance criteria which Comcast must achieve for the Warrant to vest, the final measurement date for the Warrant is the date on which the Warrant vests. Prior to the final measurement, when achievement of the performance criteria has been deemed probable, the estimated fair value of the Warrant is recorded as a reduction to net revenue based on the projected number of shares underlying the Warrant that are expected to vest, the proportion of purchases by Comcast and its affiliates within the period relative to the aggregate purchase levels required for the Warrant to vest and the then-current fair value of the Warrant. To the extent that projections change as to the number of shares underlying the Warrant that will vest and the fair market value of the Warrant changes, a cumulative catch-up adjustment is recorded in the period in which the estimates change.

The fair value of the Warrant is determined using the Black-Scholes option pricing model. The assumptions utilized in the Black-Scholes model include the risk-free interest rate, expected volatility, and expected life in years. The risk-free interest rate over the expected life is equal to the prevailing U.S. Treasury note rate over the same period. Expected volatility is determined utilizing historical volatility over a period of time equal to the expected life of the Warrant. Expected life is equal to the remaining contractual term of the Warrant. The dividend yield is assumed to be zero since the Company has not historically declared dividends and does not have any plans to declare dividends in the future.

During the three and six months ended June 29, 2018, the Company recorded $0.3 million and $0.4 million, respectively, as a reduction to net revenues in connection with amortization of warrants. During the six months ended June 30, 2017, the Company recorded reduction to net revenues of $0.4 million in connection with amortization of warrants. No such charges were recorded for the three months ended June 30, 2017. The remaining unamortized value of the related asset of $0.6 million and $1.0 million as of June 29, 2018 and December 31, 2017, respectively, was recorded as a component of “Prepaid expenses and other current assets” on the Company’s Consolidated Balance Sheet.