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v3.23.1

Note 7 - Accounts Receivable (Tables) | 12 Months Ended
--- | ---
Mar. 31, 2023
Notes Tables |
Accounts Receivable [Table Text Block] |
|  | March 31, 2023 |  |  | March 31, 2022 |
Accounts receivable (billed) |  | $ | 20,707 |  |  | $ | 13,788 |
Accounts receivable (unbilled) |  |  | 9,958 |  |  |  | 6,492 |
Accounts receivable |  | $ | 30,665 |  |  | $ | 20,280 |

X
- Definition Tabular disclosure of accounts receivable. + References No definition available. + Details
Name: | amsc_AccountsReceivableTableTextBlock
Namespace Prefix: | amsc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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