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General information, details 2 (Details)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Minimum [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	10.00%	10.00%
Major Customer [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	23.00%
Major Customer B [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	10.00%	26.00%
Major Customer C [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	28.00%	32.00%
Major Customer D [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	14.00%	19.00%
Major Customer E [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	13.00%	15.00%

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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.

+ References

No definition available.

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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=6927468&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=35750535&loc=d3e13531-108611



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 275



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-Paragraph 20



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



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-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611

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