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Note 7 - Property and Equipment | 6 Months Ended
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Jun. 30, 2022
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | NOTE 7. PROPERTY AND EQUIPMENT Property and equipment consisted of the following (in thousands):
|  | June 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Office and laboratory equipment |  | $ | 20 |  |  | $ | 20 |
Furniture and fixtures |  |  | 157 |  |  |  | 157 |
Computer equipment and software |  |  | 472 |  |  |  | 464 |
Production equipment |  |  | 138 |  |  |  | 114 |
Leasehold improvements |  |  | 79 |  |  |  | 79 |
Total property and equipment, at cost |  |  | 866 |  |  |  | 834 |
Less: accumulated depreciation and amortization |  |  | (700 | ) |  |  | (641 | )
Total property and equipment, net |  | $ | 166 |  |  | $ | 193 |
Depreciation and amortization expense was $29 thousand and $11 thousand for the three months ended June 30, 2022 and 2021, respectively, and $59 thousand and $20 thousand for the six months ended June 30, 2022 and 2021, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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