XML 32 R71.htm IDEA: XBRL DOCUMENT v2.4.0.8

Significant Customers and Concentration of Credit Risk (Details)	3 Months Ended					12 Months Ended
	Dec. 31, 2013 customers products dosing_strength	Dec. 31, 2013 Sales Revenue, Product Line [Member]	Dec. 31, 2013 Product Shipments [Member] Customer A [Member]	Dec. 31, 2013 Product Shipments [Member] Customer B [Member]	Dec. 31, 2013 Product Shipments [Member] Customer C [Member]	Dec. 31, 2013 Accounts Receivable [Member] Customer A [Member]	Dec. 31, 2013 Accounts Receivable [Member] Customer B [Member]	Dec. 31, 2013 Accounts Receivable [Member] Customer C [Member]
Concentration Risk [Line Items]
Number of commercial products	1
Number of dosing strengths	6
Number of major customers	3
Concentration risk percentage		10.00%	34.00%	26.00%	25.00%	54.00%	11.00%	25.00%

X

- Definition

Concentration Risk, Number of Customers

+ References

No definition available.

+ Details

Name:	gale_ConcentrationRiskNumberofCustomers
Namespace Prefix:	gale_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of Commerical Products

+ References

No definition available.

+ Details

Name:	gale_NumberofCommericalProducts
Namespace Prefix:	gale_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of Dosing Strengths

+ References

No definition available.

+ Details

Name:	gale_NumberofDosingStrengths
Namespace Prefix:	gale_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_ConcentrationRiskLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration