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Leases (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Leases [Abstract]
Right-of-use assets, net	$ 2,709	$ 2,709
Operating lease liabilities	$ 2,813	$ 2,813
Weighted-average remaining lease term	2 years 3 months 18 days	2 years 3 months 18 days
Weighted-average discount rate	9.10%	9.10%
Operating lease payments	$ 500	$ 1,000
Operating lease costs	$ 400	$ 900

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- References

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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
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-SubTopic 20
-Section 55
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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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-Publisher FASB
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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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