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PERMIT AND OTHER INTANGIBLE ASSETS | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
PERMIT AND OTHER INTANGIBLE ASSETS | NOTE 5 PERMIT AND OTHER INTANGIBLE ASSETS The following table summarizes changes in the carrying value of permits. No permit exists at our Services and Medical Segments. SCHEDULE OF INTANGIBLE ASSETS
Permit (amount in thousands) |  | Treatment |
Balance as of December 31, 2019 |  | $ | 8,790 |
Permit in progress |  |  | 132 |
Balance as of December 31, 2020 |  | $ | 8,922 |
Permit renewal |  | $ | 121 |
Permit in progress |  |  | 433 |
Balance as of December 31, 2021 |  | $ | 9,476 |
The following table summarizes information relating to the Company’s definite-lived intangible assets: SCHEDULE OF DEFINITE LIVED INTANGIBLE ASSETS
|  |  |  |  | December 31, 2021 |  |  | December 31, 2020 |
|  | Weighted Average Amortization |  |  | Gross |  |  |  |  |  | Net |  |  | Gross |  |  |  |  |  | Net |
Other Intangibles |  | Period |  |  | Carrying |  |  | Accumulated |  |  | Carrying |  |  | Carrying |  |  | Accumulated |  |  | Carrying |
(amount in thousands) |  | (Years) |  |  | Amount |  |  | Amortization |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Amount |
Patent |  | 8.3 |  |  | $ | 787 |  |  | $ | (351 | ) |  | $ | 436 |  |  | $ | 742 |  |  | $ | (334 | ) |  | $ | 408 |
Software |  | 3 |  |  |  | 592 |  |  |  | (415 | ) |  |  | 177 |  |  |  | 418 |  |  |  | (411 | ) |  |  | 7 |
Customer relationships |  | 10 |  |  |  | 3,370 |  |  |  | (3,089 | ) |  |  | 281 |  |  |  | 3,370 |  |  |  | (2,910 | ) |  |  | 460 |
Total |  |  |  |  | $ | 4,749 |  |  | $ | (3,855 | ) |  | $ | 894 |  |  | $ | 4,530 |  |  | $ | (3,655 | ) |  | $ | 875 |
The intangible assets noted above were amortized on a straight-line basis over their useful lives with the exception of customer relationships which were amortized using an accelerated method. The following table summarizes the expected amortization over the next five years for our definite-lived intangible assets: SCHEDULE OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE
|  | Amount |
Year |  | (In thousands) |
2022 |  | $ | 233 |
2023 |  |  | 192 |
2024 |  |  | 61 |
2025 |  |  | 14 |
2026 |  |  | 11 |
Amortization expense recorded for definite-lived intangible assets was approximately $211,000 and $239,000, for the years ended December 31, 2021 and 2020, respectively.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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