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Leases (Tables) | 9 Months Ended
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Sep. 30, 2022
Lessee Disclosure [Abstract] |
Schedule of Leases | Leases consisted of the following (in thousands):
Leases |  | Classification |  | September 30, 2022 |  |  | December 31, 2021 |
Assets |  |  |  |  |  |  |  |
Operating lease assets |  | Right of use asset |  | $ | 2,073 |  |  | $ | 3,081 |
Total leased assets |  |  |  | $ | 2,073 |  |  | $ | 3,081 |
Liabilities |  |  |  |  |  |  |  |
Current - Operating |  | Operating lease liability- current |  | $ | 986 |  |  | $ | 1,074 |
Noncurrent - Operating |  | Operating lease liability- noncurrent |  |  | 1,269 |  |  |  | 2,220 |
Total leased liabilities |  |  |  | $ | 2,255 |  |  | $ | 3,294 |
Lease Cost |  | Classification |  | Three Months Ended September 30, 2022 |  |  | Three Months Ended September 30, 2021 |  |  | Nine Months Ended September 30, 2022 |  |  | Nine Months Ended September 30, 2021 |
Operating lease cost |  | SG&A and R&D Expenses |  | $ | 271 |  |  | $ | 319 |  |  | $ | 815 |  |  | $ | 955 |
Short term lease cost (1) |  | R&D Expenses |  |  | (7 | ) |  |  | 37 |  |  |  | 4 |  |  |  | 67 |
Short term lease cost |  | SG&A Expenses |  |  | — |  |  |  | 14 |  |  |  | 0 |  |  |  | 29 |
Sublease income (2) |  | SG&A and R&D Expenses |  |  | (99 | ) |  |  | (10 | ) |  |  | (276 | ) |  |  | (43 | )
Net lease cost |  |  |  | $ | 165 |  |  | $ | 360 |  |  | $ | 543 |  |  | $ | 1,008 |
(1) Short term lease cost consists of field trial lease agreements with a lease term of 12 months or less. (2) Sublease income is recorded as a reduction to lease expense.
Lease Term and Discount Rate |  | September 30, 2022 |  |  | December 31, 2021 |
Weighted-average remaining lease term (years) |  |  | 2.3 |  |  |  | 2.7 |
Weighted-average discount rate |  |  | 6.4 | % |  |  | 6.0 | %

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