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Note 10 - Leases (Details Textual) - USD ($) $ in Thousands |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 16, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2022 | Apr. 01, 2022 | Dec. 21, 2021 | Nov. 30, 2021
Operating Lease, Right-of-Use Asset, Amortization Expense |  | $ 1,241 | $ 1,039 |  |  |  |
Operating Lease, Right-of-Use Asset |  | 5,770 | 5,919 |  |  |  |
Operating Lease, Liability, Total |  | 6,350 |  |  |  |  |
Lease Facility in Singapore [Member] |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  | 51 |  |  | $ 51 |  |
Operating Lease, Liability, Total |  | 51 |  |  | $ 51 |  |
Automobile Lease for Videology [Member] |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  | 42 | 54 | $ 42 |  |  |
Lessee, Operating Lease, Term of Contract (Month) |  |  |  | 48 months |  |  |
Operating Lease, Liability, Total |  | 42 | $ 54 |  |  |  |
Facility for Acculogic Operation in Canada [Member] |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  | $ 942 |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Month) |  | 62 months |  |  |  |  |
Operating Lease, Liability, Total |  | $ 942 |  |  |  |  |
Facility for Acculogic Operation in California [Member] |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  | $ 127 |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Month) |  | 37 months |  |  |  |  |
Operating Lease, Liability, Total |  | $ 127 |  |  |  |  |
Lease Facility in Fremont, California [Member] |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Month) | 38 months 15 days |  |  |  |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | $ 202 |  |  |  |  |  |
Lease Facility in Netherlands [Member] |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  |  |  | $ 252
Lessee, Operating Lease, Term of Contract (Month) |  |  |  |  |  |  | 37 months
Automobile Leases [Member] |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Month) |  |  | 48 months |  |  |  |
Operating Lease, Liability, Total |  |  | $ 54 |  |  |  |
Facility Lease From Acquisition of Acculogic [Member] |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  | 76 |  |  | $ 76,000 |
Operating Lease, Liability, Total |  |  | $ 78 |  |  | $ 78,000 |

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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Amount of amortization expense for right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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