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Leases (Tables)
 3 Months Ended
Mar. 31, 2021
Leases [Abstract]  
Components of Lease Cost and Supplemental Cash Flow Information
Components of the operating, restructured and finance lease costs recognized in net loss for the three months ended March 31, 2021 and 2020, were as follows (in thousands):
Three months ended March 31,
 20212020
Operating lease cost (income)
Sub-lease income$(25)$(25)
Lease cost143 152 
Operating lease cost, net118 127 
Restructured lease cost (income)
Sub-lease income(68)(68)
Lease cost56 61 
Restructured lease income, net(12)(7)
Total lease cost, net$106 $120 
Schedule of Supplemental Balance Sheet Information
Supplemental balance sheet information related to the Company’s operating and finance leases as of March 31, 2021 and December 31, 2020 are as follows (in thousands):
 March 31, 2021December 31, 2020
Operating Leases
Operating lease right-of-use assets$676 $794 
Restructured lease right-of-use assets54 107 
Operating lease right-of-use assets, total730 901 
Operating lease liabilities781 916 
Restructured lease liabilities85 168 
Operating lease liabilities, total866 1,084 
Finance Leases
Property and equipment13 13 
Allowances for depreciation(10)(9)
Finance lease assets, net3 4 
Finance lease liabilities3 4 
Total finance lease liabilities$3 $4 
Schedule of Future Maturities of Finance Lease Liabilities
Future minimum lease payments required under operating, restructured and finance leases for each of the 12-month rolling periods below in effect at March 31, 2021 are as follows (in thousands):
Operating LeasesRestructured LeasesRestructured Leases Sub-lease PaymentsFinance Lease
April 2021 to March 2022$621 $86 $(68)$3 
April 2022 to March 2023175 — — — 
April 2023 to March 202416 — — — 
April 2024 to March 20253 — — — 
April 2025 to March 20263 — — — 
Total future undiscounted lease payments818 86 (68)3 
Less imputed interest(37)(1)— — 
Total lease obligations$781 $85 $(68)$3 
Schedule of Future Maturities of Operating Lease Liabilities
Future minimum lease payments required under operating, restructured and finance leases for each of the 12-month rolling periods below in effect at March 31, 2021 are as follows (in thousands):
Operating LeasesRestructured LeasesRestructured Leases Sub-lease PaymentsFinance Lease
April 2021 to March 2022$621 $86 $(68)$3 
April 2022 to March 2023175 — — — 
April 2023 to March 202416 — — — 
April 2024 to March 20253 — — — 
April 2025 to March 20263 — — — 
Total future undiscounted lease payments818 86 (68)3 
Less imputed interest(37)(1)— — 
Total lease obligations$781 $85 $(68)$3 
Supplemental Cash Flow Information Related to Leases
Supplemental cash flow information related to leases for the three months ended March 31, 2021 and 2020, was as follows (in thousands):
Three months ended
March 31,
 20212020
Supplemental cash flow information 
Cash paid, net, for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$136 $135 
Operating cash flows from restructured leases$17 $17 
Financing cash flows from finance leases$1 $1