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Note 10 - Leases (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Lease Assets and Lease Liability Obligations [Table Text Block] |
|  |  | December 31, |
| Balance sheet line item classification |  | 2024 |  |  | 2023 |
Assets |  |  |  |  |  |  |  |  |
Operating lease assets | Right-of-use assets and other noncurrent assets |  | $ | 149 |  |  | $ | — |
Finance lease assets | Property and equipment, net of accumulated depreciation |  |  | 349 |  |  |  | 43 |
Total lease assets |  |  | $ | 498 |  |  | $ | 43 |
Liabilities |  |  |  |  |  |  |  |  |
Current |  |  |  |  |  |  |  |  |
Operating lease obligation | Current portion of finance and operating lease obligations |  | $ | 70 |  |  | $ | 120 |
Finance lease obligation | Current portion of finance and operating lease obligations |  |  | 314 |  |  |  | 44 |
Noncurrent |  |  |  |  |  |  |  |  |
Operating lease obligation | Long-term portion of operating lease obligations |  |  | 101 |  |  |  | 21 |
Total lease liabilities |  |  | $ | 485 |  |  | $ | 185 |
Lease, Cost [Table Text Block] |
|  |  |  | Year Ended December 31, |
Lease Cost |  | Classification |  | 2024 |  |  | 2023 |
Operating lease cost |  | Cost of sales |  | $ | — |  |  | $ | — |
Operating lease cost |  | Selling, general and administrative expenses |  |  | 192 |  |  |  | 188 |
Finance lease cost: |  |  |  |  |  |  |  |  |  |
Amortization of leased assets |  | Depreciation expense |  |  | 18 |  |  |  | 21 |
Interest on lease liabilities |  | Interest expense |  |  | 9 |  |  |  | 5 |
Net lease cost |  |  |  | $ | 219 |  |  | $ | 214 |
Schedule of Future Minimum Rental Payments for Operating and Financing Leases [Table Text Block] |
| Operating Leases |  | Finance Leases |  | Total |
2025 | $ | 89 |  | $ | 336 |  | $ | 425 |
2026 |  | 66 |  |  | — |  |  | 66 |
2027 |  | 40 |  |  | — |  |  | 40 |
Total lease payments |  | 195 |  |  | 336 |  |  | 531 |
Less: Interest |  | (24 | ) |  | (22 | ) |  | (46 | )
Present value of lease liabilities | $ | 171 |  | $ | 314 |  | $ | 485 |
Schedule of Lease Term and Discount Rates Operating and Finance Lease Obligations [Table Text Block] |
|  | December 31, |
Lease Term and Discount Rate |  | 2024 |  |  | 2023 |
Weighted-average remaining lease term (years) |  |  |  |  |  |  |  |
Operating leases |  |  | 2.9 |  |  |  | 1.2 |
Finance leases |  |  | 1.0 |  |  |  | 0.1 |
Weighted-average discount rate |  |  |  |  |  |  |  |
Operating leases |  |  | 9.5 | % |  |  | 5.8 | %
Finance leases |  |  | 8.5 | % |  |  | 10.7 | %
Supplemental Cash Flow Information Related to Leases [Table Text Block] |
Other information |  | December 31, 2024 |  |  | December 31, 2023 |
Cash paid for amounts included in the measurement of lease liabilities |  |  |  |  |  |  |  |
Operating cash flows from operating leases |  | $ | 187 |  |  | $ | 181 |
Financing cash flows from finance leases |  |  | 76 |  |  |  | 20 |
Interest paid |  |  | 9 |  |  |  | 5 |
Noncash activities from right-of-use assets obtained in exchange for lease obligations: |  |  |  |  |  |  |  |
Operating leases |  | $ | 167 |  |  | $ | — |
Financing leases |  |  | 347 |  |  |  | — |

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