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Note 5 - Operating Lease Right-of-use Asset, Net (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Lease, Cost [Table Text Block] |
|  | 2023 |  |  | 2022 |
Straight-line rent expense recognized for operating lease |  | $ | 482 |  |  | $ | 482 |
Variable rent expense recognized for operating lease |  |  | 69 |  |  |  | 62 |
Total rent expense |  | $ | 551 |  |  | $ | 544 |
Weighted average remaining lease term (in years) |  |  | 3.1 |  |  |  | 4.1 |
Weighted average discount rate |  |  | 10.74 | % |  |  | 10.74 | %
Schedule of Operating Leases Cash Flow Information [Table Text Block] |
|  | 2023 |  |  | 2022 |
Cash paid for amounts included in the measurement of lease liabilities |  | $ | 315 |  |  | $ | 237 |
Cash lease expense (imputed interest expense component of net loss) |  |  | 156 |  |  |  | 187 |
Total rent expense |  | $ | 471 |  |  | $ | 424 |
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] |
2024 |  | $ | 485 |
2025 |  |  | 499 |
2026 |  |  | 514 |
2027 |  |  | 44 |
Total undiscounted lease payments |  | $ | 1,542 |
Less imputed interest |  |  | 227 |
Total operating lease liabilities |  | $ | 1,315 |

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- Definition Tabular disclosure of operating leases related to cash flow information. + References No definition available. + Details
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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 -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + 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 -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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