XML 34 R40.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Warrants (Schedule of Warrant Activity) (Detail) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2014
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Warrants outstanding , Beginning balance |  | 14,850
Granted |  | 300
Exercised |  | (5,694)
Warrants outstanding , Ending balance | 8,540 | 8,540
September 2013 Warrant [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Warrants outstanding , Beginning balance |  | 6,442
Granted |  | 0
Exercised |  | (2,469)
Warrants outstanding , Ending balance | 3,973 | 3,973
Expiration | Sep. 18, 2018 |
December 2012 Warrants [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Warrants outstanding , Beginning balance |  | 4,917
Granted |  | 0
Exercised |  | (1,886)
Warrants outstanding , Ending balance | 3,031 | 3,031
Expiration | Dec. 31, 2017 |
April 2011 Warrants [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Warrants outstanding , Beginning balance |  | 1,158
Granted |  | 0
Exercised |  | (543)
Warrants outstanding , Ending balance | 615 | 615
Expiration | Apr. 30, 2017 |
March 2011 Warrants [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Warrants outstanding , Beginning balance |  | 176
Granted |  | 0
Exercised |  | 0
Warrants outstanding , Ending balance | 176 | 176
Expiration | Mar. 31, 2016 |
March 2010 Warrants [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Warrants outstanding , Beginning balance |  | 290
Granted |  | 0
Exercised |  | (265)
Warrants outstanding , Ending balance | 25 | 25
Expiration | Mar. 31, 2016 |
August 2009 Warrants [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Warrants outstanding , Beginning balance |  | 978
Granted |  | 0
Exercised |  | (62)
Warrants outstanding , Ending balance | 0 | 0
Expiration | Aug. 31, 2014 |
Consultant Warrants [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Warrants outstanding , Beginning balance |  | 889
Granted |  | 300
Exercised |  | (469)
Warrants outstanding , Ending balance | 720 | 720
Consultant Warrants [Member] | Minimum [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Expiration | Dec. 31, 2014 |
Consultant Warrants [Member] | Maximum [Member] |  |
Class of Warrant or Right, Outstanding [Roll Forward] |  |
Expiration | Dec. 31, 2020 |

X
- Definition Class Of Warrant Or Right Exercised + References No definition available. + Details
Name: | gale_ClassOfWarrantOrRightExercised
Namespace Prefix: | gale_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right Granted + References No definition available. + Details
Name: | gale_ClassofWarrantorRightGranted
Namespace Prefix: | gale_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Class Of Warrants Or Rights Expiration Date + References No definition available. + Details
Name: | gale_ClassOfWarrantsOrRightsExpirationDate
Namespace Prefix: | gale_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant