XML 46 R25.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Accounting Policies [Abstract] |
Summary of Product Revenue by Geographical Locations of Customers | Product revenue by geographical locations of customers during the years ended December 31, 2018, 2017 and 2016, were as follows (in thousands):
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Product revenue: |  |  |  |  |  |  |  |  |  |  |  |
Europe, Middle East and Africa |  | $ | 46,974 |  |  | $ | 36,241 |  |  | $ | 30,716 |
North America |  |  | 12,696 |  |  |  | 6,325 |  |  |  | 4,569 |
Other |  |  | 1,238 |  |  |  | 1,002 |  |  |  | 1,898 |
Total product revenue |  | $ | 60,908 |  |  | $ | 43,568 |  |  | $ | 37,183 |
Computation of Basic and Diluted Net Loss per Share | The following table sets forth the reconciliation of the numerator and denominator used in the computation of basic and diluted net loss per share for the years ended December 31, 2018, 2017 and 2016 (in thousands, except per share amounts):
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Numerator for Basic and Diluted: |  |  |  |  |  |  |  |  |  |  |  |
Net loss used for basic calculation |  | $ | (57,564 | ) |  | $ | (60,585 | ) |  | $ | (62,906 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average number of shares outstanding |  |  | 131,663 |  |  |  | 108,221 |  |  |  | 101,826 |
Effect of dilutive potential shares |  |  | — |  |  |  | — |  |  |  | — |
Diluted weighted average number of shares outstanding |  |  | 131,663 |  |  |  | 108,221 |  |  |  | 101,826 |
Net loss per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.44 | ) |  | $ | (0.56 | ) |  | $ | (0.62 | )
Diluted |  |  | (0.44 | ) |  |  | (0.56 | ) |  |  | (0.62 | )
Anti-Dilutive Effect of Common Shares | The table below presents potential shares that were excluded from the calculation of the weighted average number of shares outstanding used for the calculation of diluted net loss per share. These are excluded from the calculation due to their anti-dilutive effect for the years ended December 31, 2018, 2017 and 2016 (shares in thousands):
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Weighted average number of anti-dilutive potential shares: |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 18,031 |  |  |  | 17,373 |  |  |  | 15,592 |
Restricted stock units |  |  | 1,902 |  |  |  | 1,225 |  |  |  | 576 |
Employee stock purchase plan rights |  |  | 20 |  |  |  | 21 |  |  |  | 43 |
Total |  |  | 19,953 |  |  |  | 18,619 |  |  |  | 16,211 |

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration