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v3.23.4

Note 11 - Accounts Payable and Accrued Expenses (Details Textual) | 9 Months Ended
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Dec. 31, 2023
Minimum [Member] |
Extended Warranty Trigger Period (Year) | 1 year
Maximum [Member] |
Extended Warranty Trigger Period (Year) | 3 years

X
- Definition The period in which customers may extend their warranty for an additional term. + References No definition available. + Details
Name: | amsc_ExtendedWarrantyTriggerPeriod
Namespace Prefix: | amsc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |