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Leases - Schedule of Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Operating Leases
Operating lease right-of-use assets	$ 548	$ 794
Restructured lease right-of-use assets	0	107
Operating lease right-of-use assets, total	548	901
Operating lease liabilities	655	916
Restructured lease liabilities	0	168
Operating lease liabilities, total	655	1,084
Finance Leases
Property and equipment	13	13
Allowances for depreciation	(11)	(9)
Finance lease assets, net	2	4
Finance lease liabilities	$ 2	$ 4

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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

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