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Leases (Details Textual) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Leases (Textual)
Operating lease liabilities	$ 567
Operating lease agreements options to extend, description	As of June 30, 2019, the Company's operating lease agreements have remaining lease term ranging from 1.4 years to 8.8 years, including options to extend part of the lease agreements for additional 2 years and up to 5 years.

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- References

No definition available.

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- Definition

Operating lease agreements options to extend, description.

+ References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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