XML 38 R25.htm IDEA: XBRL DOCUMENT
v3.20.4

OPERATING LEASES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Leases [Abstract] |
Components of lease costs | The components of lease costs included in operating expenses for the New Jersey Lease and the Foster City Lease on our statements of operations were as follows:
|  | Year Ended December 31, |
(In thousands) |  | 2020 |  |  | 2019 |  |  | 2018 |
Operating lease costs | $ | 1,143 |  |  | $ | 783 |  |  | $ | 678 |
Variable lease costs (1) |  | 293 |  |  |  | 17 |  |  |  | 31 |
Total lease costs | $ | 1,436 |  |  | $ | 800 |  |  | $ | 709 |
| (1) | Variable lease costs represent non-lease components, such as common area maintenance charges.
Undiscounted future non-cancellable lease payments | The undiscounted future non-cancellable lease payments under the Menlo Park Lease, the New Jersey Lease and the Foster City Lease as of December 31, 2020 were as follows (in thousands):
2021 |  | $ | 913 |
2022 |  |  | 937 |
2023 |  |  | 962 |
2024 |  |  | 988 |
2025 |  |  | 1,014 |
Thereafter |  |  | 2,807 |
Total lease payments |  | 7,621 |
Less: imputed interest |  | (1,944 | )
Total |  | $ | 5,677 |

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration