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Leases - Schedule of Operating Lease Right-of-use Assets and Liabilities (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 02, 2019 | Dec. 31, 2019
Leases [Abstract] |  |
Initial measurement at January 1, 2019 | $ 3,458 |
Less tenant improvement allowance | (1,122) |
Net right-of-use assets at January 1, 2019 | 2,336 | $ 2,336
Initial measurement of new operating lease right-of-use-assets |  | 57
Less amortization of operating lease right-of-use assets |  | (292)
Operating lease right-of-use assets | 2,336 | 2,101
Initial measurement at January 1, 2019 |  | 3,458
Initial measurement of new operating lease liabilities |  | 57
Less principal payments on operating lease liabilities |  | (215)
Operating lease liabilities at December 31, 2019 | $ 3,458 | 3,300
Less non-current portion |  | (2,891)
Current portion at December 31, 2019 |  | $ 409

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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