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Note 6 - Leases (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
Year ending December 31, |  | Operating Leases |
2023 |  | $ | 301,000 |
2024 |  |  | 59,000 |
Total lease payments |  |  | 360,000 |
Less imputed interest |  |  | (9,000 | )
Total |  | $ | 351,000 |
Lease, Cost [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Lease cost |  |  |  |  |  |  |  |
Operating lease cost, net of impairment |  | $ | 406,000 |  |  | $ | 351,000 |
Sublease income |  |  | (174,000 | ) |  |  | (14,000 | )
Total lease cost |  | $ | 232,000 |  |  | $ | 337,000 |
Other information |  |  |  |  |  |  |  |
Cash paid for amounts included in the measurement of lease liabilities - Operating leases |  | $ | 406,000 |  |  | $ | 351,000 |
Weighted-average remaining lease term - Operating leases in years |  |  | 1.11 |  |  |  | 1.39 |
Weighted-average discount rate - Operating leases |  |  | 5.65 | % |  |  | 5.80 | %

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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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