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Long-term Obligations (Details 1) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Finite-lived Intangible Assets Acquired	$ 1,213
Prepaid expenses and other current assets [Member]
Debt Instrument [Line Items]
Finite-lived Intangible Assets Acquired	404
Other assets [Member]
Debt Instrument [Line Items]
Finite-lived Intangible Assets Acquired	$ 809

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+ References

No definition available.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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