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PROPERTY PLANT AND EQUIPMENT NET | 12 Months Ended
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Dec. 31, 2022
PROPERTY PLANT AND EQUIPMENT NET |
PROPERTY, PLANT AND EQUIPMENT, NET | NOTE 4 – PROPERTY, PLANT AND EQUIPMENT, NET
|  | December 31, 2022 |  |  | December 31, 2021 |
(in thousands) |  |  |  |  |  |
Leasehold improvements |  | $ | 404 |  |  | $ | 430 |
Equipment |  |  | 4,683 |  |  |  | 5,218 |
Sales demonstration equipment |  |  | 1,066 |  |  |  | 754 |
|  |  | 6,153 |  |  |  | 6,402 |
Less accumulated depreciation |  |  | 5,081 |  |  |  | 5,456 |
Property and equipment, net |  | $ | 1,072 |  |  | $ | 946 |
Total depreciation expense recorded for 2022 and 2021 was $560,000 and $667,000, 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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