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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Accounting Policies [Abstract]
Cost of revenues	$ 1,639	$ 1,485	$ 3,246	$ 2,942
Operating expense	6,501	5,544	13,405	11,178
General and administrative expense	$ 901	$ 650	$ 2,048	$ 1,371

X

- Definition

Operating Expense, Depreciation And Amortization

+ References

No definition available.

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X

- Definition

Selling, General And Administrative Expense, Depreciation And Amortization

+ References

No definition available.

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- References

No definition available.

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X

- Definition

Depreciation of property, plant and equipment directly related to goods produced and sold during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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