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Segment Reporting and Significant Customer Information - Narrative (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2015 customer segment	Dec. 31, 2014 customer
Segments (Textual) [Abstract]
Number of reportable operating segments	2
Accounts Receivable | Credit Concentration Risk
Concentration Risk [Line Items]
Number of customers | customer	1	1
Concentration risk percentage	15.00%	11.00%

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- Definition

Concentration Risk, Number of Customers

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Segments.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- 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 275



-SubTopic 10



-Section 50



-Paragraph 18



-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592



Reference 2: 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=49121117&loc=d3e13531-108611



Reference 3: 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=51801978&loc=d3e6404-108592



Reference 4: 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=49121117&loc=d3e13537-108611

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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