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Note 8 - Property, Plant and Equipment, Net | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] |
8. | PROPERTY, PLANT AND EQUIPMENT, NET
Property, plant and equipment, net consist of the following:
|  | December 31, |
|  | 2020 |  |  | 2019 |
Land |  | $ | 1,115 |  |  | $ | 1,431 |
Buildings and improvements |  |  | 19,917 |  |  |  | 29,722 |
Machinery and equipment |  |  | 124,114 |  |  |  | 132,134 |
Construction in progress |  |  | 1,603 |  |  |  | 5,090 |
|  |  | 146,749 |  |  |  | 168,377 |
Accumulated depreciation |  |  | (112,248 | ) |  |  | (126,434 | )
Property, plant and equipment, net |  | $ | 34,501 |  |  | $ | 41,943 |
Depreciation expense for the years ended December 31, 2020 and 2019 was $9.3 million and $10.0 million, 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 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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