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Consolidated Statements of Cash Flows (Parenthetical) $ in Thousands	Jun. 20, 2017 USD ($)
Convertible Preferred Stock [Member] | Thesys Group, Inc [Member] | Series Y Preferred Stock [Member]
Fair value of preferred stock	$ 6,909

X

- Definition

Fair value portion of investments accounted under the cost method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75030709&loc=d3e39828-111592

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