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Valuation and Qualifying Accounts
 12 Months Ended
Mar. 31, 2015
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, 2015

$

16

 

 

54

 

 

(16

)

 

-

 

$

54

 

Fiscal year ended March 31, 2014

$

-

 

 

16

 

 

-

 

 

-

 

$

16

 

Fiscal year ended March 31, 2013

$

52

 

 

-

 

 

(52

)

 

-

 

$

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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, 2015

$

282,824

 

 

15,189

 

 

(3,153

)

-

 

$

294,860

 

Fiscal year ended March 31, 2014

$

261,961

 

 

26,649

 

 

(5,786

)

-

 

$

282,824

 

Fiscal year ended March 31, 2013

$

252,302

 

 

21,333

 

 

(11,674

)

-

 

$

261,961