XML 22 R30.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 11 - Subsequent Events (Details) (USD $) | 0 Months Ended |  |
--- | --- | --- | ---
Oct. 01, 2014 | Nov. 10, 2014 | Sep. 30, 2014 | Dec. 31, 2013
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Common Stock, Shares, Outstanding |  |  | 1,349,591 us-gaap_CommonStockSharesOutstanding | 1,344,627 us-gaap_CommonStockSharesOutstanding
Series A Preferred Stock [Member] | Preferred Stock [Member] | Subsequent Event [Member] | Reverse Stock Split [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 4.86 us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / us-gaap_NonmonetaryTransactionTypeAxis = xene_ReverseStockSplitMember / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |
Series A Preferred Stock [Member] | Subsequent Event [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion |  | 1 us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Series B Preferred Stock [Member] | Preferred Stock [Member] | Subsequent Event [Member] | Reverse Stock Split [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 4.86 us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / us-gaap_NonmonetaryTransactionTypeAxis = xene_ReverseStockSplitMember / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |
Series B Preferred Stock [Member] | Subsequent Event [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion |  | 1 us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Series E Preferred Stock [Member] | Preferred Stock [Member] | Subsequent Event [Member] | Reverse Stock Split [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 4.86 us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / us-gaap_NonmonetaryTransactionTypeAxis = xene_ReverseStockSplitMember / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesEPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |
Series E Preferred Stock [Member] | Subsequent Event [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion |  | 1.20 us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesEPreferredStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
IPO [Member] | Subsequent Event [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 4,600,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_IPOMember |  |
Share Price (in Dollars per share) |  | $ 9.00 us-gaap_SharePrice / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_IPOMember |  |
Private Placement [Member] | Common Stock [Member] | Subsequent Event [Member] | Genetech Affiliate [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 495,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_CounterpartyNameAxis = xene_GenetechAffiliateMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Share Price (in Dollars per share) |  | $ 9.00 us-gaap_SharePrice / us-gaap_CounterpartyNameAxis = xene_GenetechAffiliateMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |
Common Stock [Member] | Subsequent Event [Member] | Reverse Stock Split [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 4.86 us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / us-gaap_NonmonetaryTransactionTypeAxis = xene_ReverseStockSplitMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |
Common Stock [Member] | Genetech Affiliate [Member] |  |  |  |
Note 11 - Subsequent Events (Details) [Line Items] |  |  |  |
Common Stock, Shares, Outstanding |  | 14,181,333 us-gaap_CommonStockSharesOutstanding / us-gaap_CounterpartyNameAxis = xene_GenetechAffiliateMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |

X
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares issued for each share of convertible preferred stock that is converted. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 + Details
Name: | us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 + Details
Name: | us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | xene_Note11SubsequentEventsDetailsLineItems
Namespace Prefix: | xene_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesEPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |