XML 39 R27.htm IDEA: XBRL DOCUMENT
v3.20.2

Fair Value Measurements (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Fair Value, Nonrecurring [Member] |
Schedule of Financial Instruments and the Related Fair Value Hierarchy of the Valuation Techniques Utilized | The following table presents the fair value of financial instruments recorded originally at amortized cost or fair value and not remeasured on a recurring basis:
|  | September 30, 2020 |
Balance Sheet Classification | Type of Instrument | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Financial Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents: | Money market funds | $ | 271,158 |  |  | $ | — |  |  | $ | — |  |  | $ | 271,158 |
| Bank certificates of deposit |  | 40,821 |  |  |  | — |  |  |  | — |  |  |  | 40,821 |
Total Financial Assets |  | $ | 311,979 |  |  | $ | — |  |  | $ | — |  |  | $ | 311,979 |
Financial Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible senior notes | Convertible senior notes* | $ | — |  |  | $ | — |  |  | $ | 370,994 |  |  | $ | 370,994 |
Total Financial Liabilities |  | $ | — |  |  | $ | — |  |  | $ | 370,994 |  |  | $ | 370,994 |
|  | December 31, 2019 |
Balance Sheet Classification | Type of Instrument | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Financial Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | Money market funds | $ | 281,314 |  |  | $ | — |  |  | $ | — |  |  | $ | 281,314 |
Total Financial Assets |  | $ | 281,314 |  |  | $ | — |  |  | $ | — |  |  | $ | 281,314 |
Financial Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible senior notes | Convertible senior notes* | $ | — |  |  | $ | — |  |  | $ | 149,496 |  |  | $ | 149,496 |
Total Financial Liabilities |  | $ | — |  |  | $ | — |  |  | $ | 149,496 |  |  | $ | 149,496 |
* The convertible notes were measured and recognized at fair value on the consolidated balance sheet at inception. |
Fair Value, Recurring [Member] |
Schedule of Financial Instruments and the Related Fair Value Hierarchy of the Valuation Techniques Utilized | The following table presents the fair value of financial instruments recorded at fair value at inception and remeasured on a recurring basis:
|  | September 30, 2020 |
Balance Sheet Classification | Type of Instrument | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Financial Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Marketable Securities: | US government obligations | $ | 292,603 |  |  | $ | — |  |  | $ | — |  |  | $ | 292,603 |
| US government agency |  | 19,995 |  |  |  | — |  |  |  | — |  |  |  | 19,995 |
Total Financial Assets |  | $ | 312,598 |  |  | $ | — |  |  | $ | — |  |  | $ | 312,598 |
Financial Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Development derivative liability | Development derivative liability | $ | — |  |  | $ | — |  |  | $ | 217,778 |  |  | $ | 217,778 |
Total Financial Liabilities |  | $ | — |  |  | $ | — |  |  | $ | 217,778 |  |  | $ | 217,778 |
|  | December 31, 2019 |
Balance Sheet Classification | Type of Instrument | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Financial Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Development derivative liability | Development derivative liability | $ | — |  |  | $ | — |  |  | $ | 134,839 |  |  | $ | 134,839 |
Total Financial Liabilities |  | $ | — |  |  | $ | — |  |  | $ | 134,839 |  |  | $ | 134,839 |

X
- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |