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Financing Arrangements (Notes Payable) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Notes Payable, Current and Noncurrent [Abstract]
Total current portion of notes payable	$ 2,698	$ 9,109
Convertible notes payable, Viking Therapeutics, Inc.
Notes Payable, Current and Noncurrent [Abstract]
Total current portion of notes payable	345	0
Current portion notes payable, 8.64%, due August 1, 2014
Notes Payable, Current and Noncurrent [Abstract]
Total current portion of notes payable	1,716	6,642
Maturity Date of Loan	Aug. 01, 2014	Aug. 01, 2014
Fixed Interest Rate	8.64%	8.64%
Current portion notes payable, 8.9012%, due August 1, 2014
Notes Payable, Current and Noncurrent [Abstract]
Total current portion of notes payable	$ 637	$ 2,467
Maturity Date of Loan	Aug. 01, 2014	Aug. 01, 2014
Fixed Interest Rate	8.9012%	8.9012%

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
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X

- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20

-Article 5

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