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Leases - Schedule of Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets and Liabilities, Lessee
Operating lease assets	$ 602	$ 786
Finance lease assets	$ 95	$ 6,781
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Total lease assets	$ 697	$ 7,567
Operating lease liabilities current	271	362
Finance lease liabilities current	17	0
Current portion of finance lease obligation - related parties	0	648
Operating lease liabilities non-current	393	490
Finance lease liabilities non-current	71	0
Present value of lease liabilities	$ 752	$ 1,500

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 45
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