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Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Presentation of fair value of financial assets using the inputs
Total financial assets	$ 1,344	$ 1,393
Quoted Prices in Active Markets for Identical Assets (Level 1)
Presentation of fair value of financial assets using the inputs
Total financial assets	669	718
Significant Other Observable Inputs (Level 2)
Presentation of fair value of financial assets using the inputs
Total financial assets	675	675
Significant Unobservable Inputs (Level 3)
Presentation of fair value of financial assets using the inputs
Total financial assets	0	0
Cash
Presentation of fair value of financial assets using the inputs
Total financial assets	55,283	54,812
Cash | Quoted Prices in Active Markets for Identical Assets (Level 1)
Presentation of fair value of financial assets using the inputs
Total financial assets	55,283	54,812
Cash | Significant Other Observable Inputs (Level 2)
Presentation of fair value of financial assets using the inputs
Total financial assets	0	0
Cash | Significant Unobservable Inputs (Level 3)
Presentation of fair value of financial assets using the inputs
Total financial assets	0	0
Total cash
Presentation of fair value of financial assets using the inputs
Total financial assets	55,283	54,812
Total cash | Quoted Prices in Active Markets for Identical Assets (Level 1)
Presentation of fair value of financial assets using the inputs
Total financial assets	55,283	54,812
Total cash | Significant Other Observable Inputs (Level 2)
Presentation of fair value of financial assets using the inputs
Total financial assets	0	0
Total cash | Significant Unobservable Inputs (Level 3)
Presentation of fair value of financial assets using the inputs
Total financial assets	0	0
Certificates of deposit
Presentation of fair value of financial assets using the inputs
Total financial assets	675	675
Certificates of deposit | Quoted Prices in Active Markets for Identical Assets (Level 1)
Presentation of fair value of financial assets using the inputs
Total financial assets	0	0
Certificates of deposit | Significant Other Observable Inputs (Level 2)
Presentation of fair value of financial assets using the inputs
Total financial assets	675	675
Certificates of deposit | Significant Unobservable Inputs (Level 3)
Presentation of fair value of financial assets using the inputs
Total financial assets	0	0
Merchant bank deposit
Presentation of fair value of financial assets using the inputs
Total financial assets	669	718
Merchant bank deposit | Quoted Prices in Active Markets for Identical Assets (Level 1)
Presentation of fair value of financial assets using the inputs
Total financial assets	669	718
Merchant bank deposit | Significant Other Observable Inputs (Level 2)
Presentation of fair value of financial assets using the inputs
Total financial assets	0	0
Merchant bank deposit | Significant Unobservable Inputs (Level 3)
Presentation of fair value of financial assets using the inputs
Total financial assets	$ 0	$ 0

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 820



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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