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Note 8 - Accounts Receivable | 3 Months Ended
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Jun. 30, 2022
Notes to Financial Statements |
Accounts Receivable [Text Block] | 8. Accounts Receivable Accounts receivable at June 30, 2022 and March 31, 2022 consisted of the following (in thousands):
|  | June 30, 2022 |  |  | March 31, 2022 |
Accounts receivable (billed) |  | $ | 17,821 |  |  | $ | 13,788 |
Accounts receivable (unbilled) |  |  | 3,910 |  |  |  | 6,492 |
Accounts receivable, net |  | $ | 21,731 |  |  | $ | 20,280 |

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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