Leases - Summary of Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease cost	$ 186	$ 669
Short-term lease cost	25	528
Finance lease cost:
Amortization of right-of-use assets	1	4
Sublease income	(9)	(35)
Total net lease cost	$ 203	$ 1,166

Finance lease costs.

No definition available.

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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- References

No definition available.

+ Details

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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

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-Name Accounting Standards Codification
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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

+ References

+ Details

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- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

+ Details

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