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Valuation And Qualifying Accounts

12 Months Ended

Mar. 31, 2013

Valuation and Qualifying Accounts [Abstract]

Valuation And Qualifying Accounts

American Superconductor Corporation

Schedule II—Valuation and Qualifying Accounts

(In thousands)

		Balance,			Recoveries		Balance,
		Beginning of			and Other		End of
		Year	Additions	Write-offs	Adjustments		Year
Allowance for doubtful accounts receivable:
Fiscal year ended March 31, 2013	$	52	-	(52)	-	$	-
Fiscal year ended March 31, 2012		683	6	(631)	(6)		52
Fiscal year ended March 31, 2011		766	28	(118)	7		683
		Balance,			Recoveries		Balance,
		Beginning of			and Other		End of
		Year	Additions	Write-offs	Adjustments		Year
Deferred tax asset valuation allowance:
Fiscal year ended March 31, 2013	$	252,302	21,333	(11,674)	-	$	261,961
Fiscal year ended March 31, 2012		220,596	41,709	(10,003)	-		252,302
Fiscal year ended March 31, 2011		187,358	43,308	(10,063)	(7)		220,596

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- Definition

The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690

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