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Property and Equipment, Net | 12 Months Ended
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Dec. 31, 2021
Property, Plant and Equipment [Abstract] |
Property and Equipment | NOTE 4 - PROPERTY AND EQUIPMENT, NET:
|  | December 31 |
|  | 2021 |  |  | 2020 |
|  | U.S. dollars in thousands |
Cost: |  |  |  |  |  |  |  |
Electronic and laboratory equipment |  |  | 4,045 |  |  |  | 3,779 |
Furniture and office equipment |  |  | 407 |  |  |  | 404 |
Leasehold improvements |  |  | 657 |  |  |  | 427 |
Production equipment |  |  | 308 |  |  |  | 181 |
Computers and software |  |  | 2,697 |  |  |  | 1,836 |
|  |  | 8,114 |  |  |  | 6,627 |
Less: accumulated depreciation |  |  | (5,373 | ) |  |  | (4,274 | )
Property and equipment, net |  |  | 2,741 |  |  |  | 2,353 |
Depreciation expenses were $1,099 thousand, $1,093 thousand and $1,038 thousand for the years ended December 31, 2021, 2020 and 2019, respectively. During the years ended December 31, 2021, 2020 and 2019, there were no impairments of property and equipment.

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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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