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Document and Entity Information
Jun. 15, 2023
Cover [Abstract]  
Entity Registrant Name AMERICAN SUPERCONDUCTOR CORP /DE/
Amendment Flag false
Entity Central Index Key 0000880807
Document Type 8-K
Document Period End Date Jun. 15, 2023
Entity Incorporation State Country Code DE
Entity File Number 000-19672
Entity Tax Identification Number 04-2959321
Entity Address, Address Line One 114 East Main Street
Entity Address, City or Town Ayer
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01432
City Area Code (978)
Local Phone Number 842-3000
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.01 par value per share
Trading Symbol AMSC
Security Exchange Name NASDAQ
Entity Emerging Growth Company false