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Note 19 - Restructuring | 12 Months Ended
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Mar. 31, 2024
Notes to Financial Statements |
Restructuring and Related Activities Disclosure [Text Block] | 19. Restructuring The Company accounts for charges resulting from operational restructuring actions in accordance with ASC Topic 420, Exit or Disposal Cost Obligations (“ASC 420”) and ASC Topic 712, Compensation—Nonretirement Postemployment Benefits (“ASC 712”). In accounting for these obligations, the Company is required to make assumptions related to the amounts of employee severance, benefits, and related costs and the time period over which leased facilities will remain vacant, sublease terms, sublease rates and discount rates. Estimates and assumptions are based on the best information available at the time the obligation arises. These estimates are reviewed and revised as facts and circumstances dictate; changes in these estimates could have a material effect on the amount accrued on the consolidated balance sheets. On January 24, 2023, the Company approved a plan to reduce its global workforce by approximately 5%, effective as of such date. The purpose of the workforce reduction was to reduce operating expenses to better align with the Company’s current revenues. In fiscal 2022, the Company recorded restructuring charges of $1.0 million as a result of this reduction in force, which was comprised of severance pay. All amounts related to these restructuring activities have been paid as of March 31, 2024. The following table presents restructuring charges and cash payments during the year ended March 31, 2024 and 2023 (in thousands):
|  | Severance pay and benefits |
Accrued restructuring balance at April 1, 2023 |  | $ | 717 |
Recoveries to operations |  |  | (14 | )
Cash payments |  |  | (703 | )
Accrued restructuring balance at March 31, 2024 |  | $ | — |
Accrued restructuring balance at April 1, 2022 |  | $ | — |
Charges to operations |  |  | 1,048 |
Cash payments |  |  | (331 | )
Accrued restructuring balance at March 31, 2023 |  | $ | 717 |
All restructuring charges discussed above are included within restructuring in the Company’s consolidated statements of operations. The Company includes accrued restructuring within accounts payable and accrued expenses in the consolidated balance sheets. The Company's restructuring charges relate primarily to the Grid business segment operations in the United States.

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/420/tableOfContent Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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