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Note 8 - Leases (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Lease, Cost [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Operating lease cost |  | $ | 247 |  |  | $ | 393 |  |  | $ | 865 |  |  | $ | 1,174 |
Short-term lease cost |  | $ | 20 |  |  | $ | 13 |  |  | $ | 60 |  |  | $ | 35 |
Range of remaining lease terms (in years) |  | 0.5 |  |  | to |  |  | 9.6 |
Weighted average remaining lease term (in years) |  |  |  |  |  |  |  | 6.0 |
Weighted average discount rate |  |  |  |  |  |  |  | 4.2 | %
Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
2021 (remainder) |  | $ | 358 |
2022 |  |  | 1,469 |
2023 |  |  | 1,482 |
2024 |  |  | 1,474 |
2025 |  |  | 722 |
Thereafter |  |  | 1,845 |
Total lease payments |  | $ | 7,350 |
Less imputed interest |  |  | (811 | )
Total |  | $ | 6,539 |
Supplemental Cash Flow Infomation, Lessee [Table Text Block] |
Execution of lease for facility in Fremont, California |  | $ | 202 |
Modification to lease for facility in Fremont, California |  | $ | 1,176 |
Modification to lease for facility in Mt. Laurel, New Jersey |  | $ | 2,051 |

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- 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=123408670&loc=SL77918686-209980 + Details
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- 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=123408670&loc=SL77918701-209980 + Details
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