Subsequent Events	3 Months Ended
Mar. 31, 2017
Subsequent Events	13. Subsequent Events Amendment to Facility Arrangement — On April 18, 2017, the Company entered into an Exchange Agreement with Deerfield pursuant to which the Company agreed to, among other things, (i) repay $4.0 million principal amount under the Tranche B notes, (ii) exchange $1.0 million principal amount under the Tranche B notes for 869,565 shares of the Company’s common stock (the “Tranche B Exchange Shares”) and (iii) exchange $5 million principal amount under the 2019 notes for 4,347,826 shares of the Company’s common stock (together with the “Tranche B Exchange Shares”, the “Exchange Shares”). The exchange price for the Exchange Shares is $1.15 per share. The principal amount being repaid and exchanged under the Tranche B notes and the principal amount being exchanged under the 2019 notes represents the principal amount that would have otherwise become due and payable in May 2017 and July 2017 under the Tranche B Notes and 2019 notes, respectively. The financial statements do not include the impacts of the Exchange Agreement as it occurred subsequent to March 31, 2017 and will be accounted for in April 2017. Office Lease — On May 5, 2017, the Company executed an office lease with Russell Ranch Road II LLC to lease office space for the Company’s corporate headquarters in Valencia, California. The office lease commences on the earlier of (i) the date the Company commences business from the leased space or (ii) the later of the date of substantial completion of the build out by the landlord or August 1, 2017. The lease requires monthly payments of $40,951, increased by 3% annually, plus the estimated cost of maintaining the property by the landlord. The lease expires sixty-five months from the commencement date and contains a five year renewal option.

13. Subsequent Events

Amendment to Facility Arrangement — On April 18, 2017, the Company entered into an Exchange Agreement with Deerfield pursuant to which the Company agreed to, among other things, (i) repay $4.0 million principal amount under the Tranche B notes, (ii) exchange $1.0 million principal amount under the Tranche B notes for 869,565 shares of the Company’s common stock (the “Tranche B Exchange Shares”) and (iii) exchange $5 million principal amount under the 2019 notes for 4,347,826 shares of the Company’s common stock (together with the “Tranche B Exchange Shares”, the “Exchange Shares”). The exchange price for the Exchange Shares is $1.15 per share. The principal amount being repaid and exchanged under the Tranche B notes and the principal amount being exchanged under the 2019 notes represents the principal amount that would have otherwise become due and payable in May 2017 and July 2017 under the Tranche B Notes and 2019 notes, respectively. The financial statements do not include the impacts of the Exchange Agreement as it occurred subsequent to March 31, 2017 and will be accounted for in April 2017.

Office Lease — On May 5, 2017, the Company executed an office lease with Russell Ranch Road II LLC to lease office space for the Company’s corporate headquarters in Valencia, California. The office lease commences on the earlier of (i) the date the Company commences business from the leased space or (ii) the later of the date of substantial completion of the build out by the landlord or August 1, 2017. The lease requires monthly payments of $40,951, increased by 3% annually, plus the estimated cost of maintaining the property by the landlord. The lease expires sixty-five months from the commencement date and contains a five year renewal option.