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Leases (Narrative) (Details) $ in Thousands |  | 9 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 27, 2020 USD ($) ft² | Sep. 30, 2021 USD ($) Location | Sep. 30, 2020 USD ($) | Apr. 01, 2021 | Jan. 01, 2019
Number of locations | Location |  | 3 |  |  |
Lessee operating lease, incremental borrowing rate |  |  |  | 4.95% | 5.25%
Lease expense |  | $ 500 | $ 400 |  |
Hayward F G H K Industrial L L C |  |  |  |  |
Area of lease | ft² | 30,321 |  |  |  |
Lease commencement date | Apr. 01, 2021 |  |  |  |
Initial term for lease | 90 months |  |  |  |
Initial monthly base rent | $ 27,289 |  |  |  |
Hayward F G H K Industrial L L C | Maximum [Member] |  |  |  |  |
Initial monthly base rent | $ 33,562 |  |  |  |
Burlingame C A |  |  |  |  |
Lease terminated date |  | Apr. 30, 2021 |  |  |

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- Definition Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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