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Note 8 - Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Lease, Cost [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Lease cost: |  |  |  |  |  |  |  |
Operating lease cost |  | $ | 124 |  |  | $ | 116 |
Short-term lease cost |  |  | - |  |  |  | - |
Variable lease cost |  |  | 29 |  |  |  | 29 |
Total |  | $ | 153 |  |  | $ | 145 |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |  |  |  |
Operating cash flows from operating leases |  | $ | 129 |  |  | $ | 138 |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
Maturity of lease liabilities |  | As of December 31, 2022 |
2023 |  | $ | 153 |
2024 |  |  | 109 |
2025 |  |  | 102 |
2026 |  |  | 105 |
2027 |  |  | 81 |
2028 and thereafter |  |  | — |
Total lease payments |  |  | 550 |
Less: imputed interest |  |  | (99 | )
Present value of operating lease liabilities |  | $ | 451 |

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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 https://asc.fasb.org/extlink&oid=128292326&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 https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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