v3.23.1

Note 7 - Select Balance Sheet and Statement of Operations Information - Property and Equipment, Net (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Lab equipment tooling and molds | $ 4,356 | $ 8,194
Office furniture and equipment | 1,240 | 1,743
Leasehold improvements | 794 | 1,839
Computers and software | 906 | 1,939
Demo units | 214 | 114
Total property and equipment | 7,547 | 13,866
Less: Accumulated depreciation | (5,690) | (11,197)
Total property and equipment, net | $ 1,857 | 2,669
Tools, Dies and Molds [Member] | Minimum [Member] |  |
Property and equipment, Useful lives | 4 |
Tools, Dies and Molds [Member] | Maximum [Member] |  |
Property and equipment, Useful lives | 10 |
Office Equipment [Member] | Minimum [Member] |  |
Property and equipment, Useful lives | 6 |
Office Equipment [Member] | Maximum [Member] |  |
Property and equipment, Useful lives | 10 |
Leasehold Improvements [Member] | Maximum [Member] |  |
Property and equipment, Useful lives | up to 10 |
Computer Equipment [Member] |  |
Property and equipment, Useful lives | 3 |
Vehicles [Member] |  |
Vehicles | $ 37 | $ 37
Vehicles [Member] | Minimum [Member] |  |
Property and equipment, Useful lives | 5 |
Vehicles [Member] | Maximum [Member] |  |
Property and equipment, Useful lives | 7 |
Demo Units [Member] |  |
Property and equipment, Useful lives | 5 |

X
- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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