XML 41 R32.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Business Segments (Tables) | 6 Months Ended
--- | ---
Sep. 30, 2013
Operating Results for Two Business Segments | The operating results for the two business segments are as follows (in thousands):
| Three months ended September 30, |  |  | Six months ended September 30, |
--- | --- | --- | --- | --- | ---
| 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Wind | $ |  | 14,691 |  |  | $ |  | 12,002 |  |  | $ |  |  |  | 29,392 |  |  | $ |  |  | 28,513 |
Grid |  | 9,490 |  |  |  | 8,865 |  |  |  | 17,875 |  |  |  | 21,070 |
Total | $ |  | 24,181 |  |  | $ |  | 20,867 |  |  | $ |  |  |  | 47,267 |  |  | $ |  |  | 49,583 |
| Three months ended September 30, |  |  | Six months ended September 30, |
| 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Operating loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Wind | $ |  | (2,449 | ) |  | $ |  | (6,449 | ) |  | $ |  |  |  | (4,274 | ) |  | $ |  |  | (5,148 | )
Grid |  | (5,750 | ) |  |  | (6,572 | ) |  |  | (10,618 | ) |  |  | (11,915 | )
Unallocated corporate expenses |  | (2,829 | ) |  |  | (1,949 | ) |  |  | (4,985 | ) |  |  | (4,035 | )
Total | $ |  | (11,028 | ) |  | $ |  | (14,970 | ) |  | $ |  |  |  | (19,877 | ) |  | $ |  |  | (21,098 | )
Total Business Segments Assets | Total assets for the two business segments are as follows (in thousands):
| September 30, 2013 |  |  | March 31, 2013 |
--- | --- | --- | --- | --- | ---
Wind | $ |  | 50,304 |  |  | $ |  | 67,111 |
Grid |  | 63,244 |  |  |  | 72,800 |
Corporate assets |  | 58,977 |  |  |  | 76,843 |
Total | $ |  | 172,525 |  |  | $ |  | 216,754 |
Schedule of Revenues by Major Customers | The following table sets forth customers who represented 10% or more of the Company’s total revenues for the three and six months ended September 30, 2013 and 2012:
| Three months ended September 30, |  |  | Six months ended September 30, |
--- | --- | --- | --- | --- | ---
| 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Beijing JINGCHENG New Energy Co., Ltd |  | 28 |  | % |  |  | 26 |  | % |  |  | 31 |  | % |  |  | 22 |  | %
INOX Wind Limited |  | 27 |  | % |  |  | 19 |  | % |  |  | 21 |  | % |  |  | 17 |  | %
Karara Mining Ltd |  | <10 |  | % |  |  | <10 |  | % |  |  | <10 |  | % |  |  | 13 |  | %

X
- Definition Schedule of business segment assets. + References No definition available. + Details
Name: | amsc_ScheduleOfBusinessSegmentAssetsTextBlock
Namespace Prefix: | amsc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of business segment operating results. + References No definition available. + Details
Name: | amsc_ScheduleOfBusinessSegmentOperatingResultsTextBlock
Namespace Prefix: | amsc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
Name: | us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration