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Note 8 - Accounts Receivable | 3 Months Ended
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Jun. 30, 2025
Notes to Financial Statements |
Accounts Receivable [Text Block] | 8. Accounts Receivable Accounts receivable at June 30, 2025 and March 31, 2025 consisted of the following (in thousands):
|  | June 30, 2025 |  |  | March 31, 2025 |
Accounts receivable (billed) |  | $ | 44,601 |  |  | $ | 39,810 |
Accounts receivable (unbilled) |  |  | 10,083 |  |  |  | 6,376 |
Accounts receivable |  | $ | 54,684 |  |  | $ | 46,186 |

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- Definition The entire disclosure for accounts receivable. + References No definition available. + Details
Name: | amsc_AccountsReceivableTextBlock
Namespace Prefix: | amsc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration