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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2021
Property Plant And Equipment [Abstract] |
Property and Equipment, Net | Property and equipment consist of the following (in thousands):
|  | Estimated Useful |  |  | December 31, |
|  | Life (Years) |  |  | 2021 |  |  | 2020 |
Land |  |  | — |  |  | $ | 875 |  |  | $ | 875 |
Buildings |  | 39-40 |  |  |  | 17,389 |  |  |  | 17,389 |
Building improvements |  | 5-40 |  |  |  | 38,651 |  |  |  | 37,543 |
Machinery and equipment |  | 3-15 |  |  |  | 55,334 |  |  |  | 55,054 |
Furniture, fixtures and office equipment |  | 5-10 |  |  |  | 2,969 |  |  |  | 3,004 |
Computer equipment and software |  |  | 3 |  |  |  | 8,163 |  |  |  | 8,319 |
Construction in progress |  |  | — |  |  |  | 10,892 |  | (1) |  | 503 |
|  |  |  |  |  |  | 134,273 |  |  |  | 122,687 |
Less accumulated depreciation |  |  |  |  |  |  | (97,661 | ) |  |  | (96,820 | )
Total property and equipment, net |  |  |  |  |  | $ | 36,612 |  |  | $ | 25,867 |
_________________________
(1) | Construction in progress includes $4.7 million of equipment under construction for the manufacturing expansion for UT (the “UT Equipment”). The Company acts as agent on behalf of UT for the procurement of the UT Equipment. The Company has received $5.0 million in deposit for this service, which was recognized as deposit from customer in the consolidated balance sheet as of December 31, 2021. See Note 8 – Collaboration, Licensing and Other Arrangements.

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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