v3.8.0.1

Net loss per share attributable to common stockholders (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Net loss per share attributable to common stockholders |
Schedule of computation of basic and diluted net loss per share attributable to common stockholders |
|  | Three Months Ended March 31, |
|  | 2018 |  | 2017(3) |
|  | (in thousands) |
Numerator: |  |  |  |  |
Net loss attributable to common stockholders, basic and diluted |  | $ | (3,229 | ) | $ | (6,880 | )
Denominator: |  |  |  |  |
Weighted average common stock, basic and diluted |  | 41,330 |  | 38,712 |
Net loss per share attributable to common stockholders: |  |  |  |  |
Basic and diluted |  | $ | (0.08 | ) | $ | (0.18 | )
| (3) |  | As noted above, prior period amounts have not been adjusted upon adoption of ASC 606 under the modified retrospective method.

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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://www.xbrl.org/2003/role/presentationRef -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