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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Jun. 30, 2024
Accounting Policies [Abstract] |
Schedule of property and equipment estimated useful lives | Depreciation of property, plant, and equipment is computed using the straight-line method over the estimated useful lives of the assets as follows:
Asset |  | Estimated Useful Life
Equipment |  | 5 - 7 years
Furniture and fixtures |  | 5 - 7 years
Leasehold improvements |  | Lesser of lease term or useful life (generally 6 - 15 years)
Construction equipment |  | 5 - 10 years
Fiber plant |  | 15 - 30 years
Customer premise equipment |  | 4 - 5 years
Towers |  | 5 - 10 years
Plant in service |  | 15 - 49 years
Summary of financial assets and liabilities measured at fair value on recurring basis | The following tables presents information about the Company’s financial instruments measured at fair value, on a recurring basis, consistent with the fair value hierarchy provisions:
|  | Fair Value Measurement Using (In thousands) |  |  |  |  |  |  |
Description |  | Level |  |  | Level 2 |  |  | Level 3 |  |  | Fair Value |  |  | Carrying Value |
Cash: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2024 |  | $ | 12,200 |  |  | $ | - |  |  | $ | - |  |  | $ | 12,200 |  |  | $ | 12,200 |
March 31, 2024 |  | $ | 994 |  |  | $ | - |  |  | $ | - |  |  | $ | 994 |  |  | $ | 994 |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2024 |  | $ | 28,458 |  |  | $ | - |  |  | $ | - |  |  | $ | 28,458 |  |  | $ | 28,458 |
March 31, 2024 |  | $ | 17,988 |  |  | $ | - |  |  | $ | - |  |  | $ | 17,988 |  |  | $ | 17,988 |
Term loan advance to Amplex: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2024 |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
March 31, 2024 |  | $ | - |  |  | $ | - |  |  | $ | 300 |  |  | $ | 300 |  |  | $ | 300 |
Dissenting shareholders' liability (Note 2): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2024 |  | $ | - |  |  | $ | - |  |  | $ | 5,355 |  |  | $ | 5,355 |  |  | $ | 5,355 |
March 31, 2024 |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Contingent liability (Note 13): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2024 |  | $ | - |  |  | $ | - |  |  | $ | 2,620 |  |  | $ | 2,620 |  |  | $ | 2,620 |
March 31, 2024 |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Schedule of Term Loan Advance | The following table summarizes the changes in financial assets measured at fair value, on a recurring basis, for which Level 3 inputs have been used to determine fair value:
Balance of Term Loan Advances as of April 1, 2024 |  | $ | 300 |
Issued |  |  | 450 |
Change in fair value |  |  | - |
Interest accrued |  |  | 4 |
Conversion |  |  | (754 | )
Balance of Term Loan Advances as of June 30, 2024 |  | $ | - |
Balance of Dissenting Shareholders' Liability as of April 1, 2024 |  | $ | - |
Issued |  |  | 4,526 |
Change in fair value |  |  | 829 |
Balance of Dissenting Shareholders' Liability as of June 30, 2024 |  | $ | 5,355 |
Discontinued operations assets measured on a non-recurring basis using Level 3 inputs were $0 and $39.4 million as of June 30, 2024 and March 31, 2024, respectively.

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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