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Note 5 - Commitments and Contingencies (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Lease, Cost [Table Text Block] |
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Operating lease cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating lease expense |  | $ | 159 |  |  | $ | 204 |  |  | $ | 506 |  |  | $ | 612 |
Short term lease expense |  |  | 44 |  |  |  | 28 |  |  |  | 146 |  |  |  | 138 |
Variable lease expense |  |  | 23 |  |  |  | 30 |  |  |  | 68 |  |  |  | 84 |
Total operating lease cost |  | $ | 226 |  |  | $ | 262 |  |  | $ | 720 |  |  | $ | 834 |
Finance lease cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of right-of-use assets |  | $ | 26 |  |  | $ | 58 |  |  | $ | 115 |  |  | $ | 168 |
Interest on lease liabilities |  |  | 98 |  |  |  | 20 |  |  |  | 217 |  |  |  | 61 |
Total finance lease cost |  | $ | 124 |  |  | $ | 78 |  |  | $ | 332 |  |  | $ | 229 |
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Operating cash flows used in operating leases |  | $ | 184 |  |  | $ | 179 |  |  | $ | 522 |  |  | $ | 519 |
Operating cash flows used in finance leases |  |  | 98 |  |  |  | 20 |  |  |  | 216 |  |  |  | 61 |
Financing cash flows used in finance leases |  | $ | 132 |  |  | $ | 126 |  |  | $ | 314 |  |  | $ | 373 |
Supplemental Non-cash Flow Information Related to Leases [Table Text Block] |
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Operating leases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion of the lease liability |  | $ | 83 |  |  | $ | 93 |  |  | $ | 262 |  |  | $ | 288 |
Amortization of right-of-use assets |  |  | 76 |  |  |  | 111 |  |  |  | 244 |  |  |  | 324 |
Weighted Average Remaining Lease Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating leases (in years) |  |  | 5.6 |  |  |  |  |  |  |  |  |  |  |  |  |
Finance leases (in years) |  |  | 14.2 |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Discount Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating leases |  |  | 14.0 | % |  |  |  |  |  |  |  |  |  |  |  |
Finance leases |  |  | 13.2 | % |  |  |  |  |  |  |  |  |  |  |  |
Supplemental Balance Sheet Information Related to Leases [Table Text Block] |
|  | September 30, 2022 |  |  | December 31, 2021 |
Operating leases |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  | $ | 2,227 |  |  | $ | 2,462 |
Current portion of operating lease liability |  |  | 267 |  |  |  | 260 |
Long term operating lease liability |  |  | 2,120 |  |  |  | 2,318 |
Total operating lease liabilities |  |  | 2,387 |  |  |  | 2,578 |
Finance leases |  |  |  |  |  |  |  |
Property and equipment, at cost |  | $ | 3,045 |  |  | $ | 2,317 |
Accumulated depreciation |  |  | (79 | ) |  |  | (376 | )
Property and equipment, net |  |  | 2,966 |  |  |  | 1,941 |
Other current liability |  |  | 118 |  |  |  | 550 |
Other long term liabilities |  |  | 2,854 |  |  |  | 720 |
Total finance lease liabilities |  |  | 2,972 |  |  |  | 1,270 |
Lease Term [Table Text Block] |
Twelve months ended September 30, |  | Operating leases |  |  | Finance leases |
2023 |  | $ | 572 |  |  | $ | 479 |
2024 |  |  | 586 |  |  |  | 204 |
2025 |  |  | 603 |  |  |  | 176 |
2026 |  |  | 622 |  |  |  | 145 |
2027 |  |  | 641 |  |  |  | 145 |
There after |  |  | 442 |  |  |  | 11,000 |
Total lease payments |  |  | 3,466 |  |  |  | 12,149 |
Less imputed interest |  |  | (1,079 | ) |  |  | (9,177 | )
Total lease liability |  | $ | 2,387 |  |  | $ | 2,972 |
Operating Lease, Lease Income [Table Text Block] |
|  | September 30, 2022 |  |  | September 30, 2021 |
Lease income |  | $ | 804 |  |  | $ | - |
Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block] |
Twelve months ended September 30, |  |  |  |
2023 |  | $ | 858 |
2024 |  |  | 643 |
2025 |  |  | 521 |
2026 |  |  | 474 |
2027 |  |  | 474 |
There after |  |  | 1,184 |
Total future lease commitments |  | $ | 4,154 |

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