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Note 4 - Property and Equipment, Net | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] |
(4) | Property and Equipment, Net
Property and equipment, net consisted of the following (in thousands):
|  | December 31, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
Computer equipment and software |  | $ | 133 |  |  | $ | 159 |
Laboratory and manufacturing equipment |  |  | 460 |  |  |  | 550 |
Furniture and fixtures |  |  | 26 |  |  |  | 59 |
Leasehold improvements |  |  | 26 |  |  |  | 332 |
Construction in progress |  |  | 74 |  |  |  | 70 |
Property and equipment, gross |  |  | 719 |  |  |  | 1,170 |
Less accumulated depreciation |  |  | (537 | ) |  |  | (1,025 | )
Property and equipment, net |  | $ | 182 |  |  | $ | 145 |
Depreciation expense totaled approximately $60,000 and $68,000 for the years ended December 31, 2021 and 2020, respectively. All of the Company’s property and equipment is located in the United States.

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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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://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 http://asc.fasb.org/extlink&oid=120429125&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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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