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Business Segment and Geographic Information (Tables) | 12 Months Ended
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Mar. 31, 2015
Segment Reporting [Abstract] |
Operating Results for Two Business Segments | The operating results for the two business segments are as follows (in thousands):
| For the Years Ended March 31, |
| 2015 |  |  | 2014 |  |  | 2013 |
Revenues: |  |  |  |  |  |  |  |  |  |  |
Wind | $ | 51,307 |  |  | $ | 55,608 |  |  | $ | 44,231 |
Grid |  | 19,223 |  |  |  | 28,509 |  |  |  | 43,188 |
Total | $ | 70,530 |  |  | $ | 84,117 |  |  | $ | 87,419 |
| For the Years Ended March 31, |
| 2015 |  |  | 2014 |  |  | 2013 |
Operating loss: |  |  |  |  |  |  |  |  |  |  |
Wind | $ | (14,321 | ) |  | $ | (5,213 | ) |  | $ | (16,098 | )
Grid |  | (26,890 | ) |  |  | (22,523 | ) |  |  | (23,815 | )
Unallocated corporate expenses |  | (11,306 | ) |  |  | (13,693 | ) |  |  | (17,828 | )
Total | $ | (52,517 | ) |  | $ | (41,429 | ) |  | $ | (57,741 | )
Total Business Segments Assets | Total business segments assets are as follows (in thousands):
| March 31, |  |  | March 31, |
| 2015 |  |  | 2014 |
Wind | $ | 41,947 |  |  | $ | 36,701 |
Grid |  | 42,482 |  |  |  | 54,342 |
Corporate assets |  | 49,396 |  |  |  | 77,466 |
Total | $ | 133,825 |  |  | $ | 168,509 |
Geographic Information about Revenue, Based on Shipments to Customers by Region | Geographic information about revenue, based on shipments to customers by region, is as follows (in thousands):
| For the Years Ended March 31, |
| 2015 |  |  | 2014 |  |  | 2013 |
U.S. | $ | 9,820 |  |  | $ | 11,013 |  |  | $ | 13,197 |
Canada |  | 2,690 |  |  |  | 3,312 |  |  |  | 1,663 |
Europe |  | 2,905 |  |  |  | 7,453 |  |  |  | 14,709 |
China |  | 10,410 |  |  |  | 24,748 |  |  |  | 17,906 |
Korea |  | 3,506 |  |  |  | 6,429 |  |  |  | 10,945 |
India |  | 39,314 |  |  |  | 26,384 |  |  |  | 17,062 |
Australia |  | 1,885 |  |  |  | 4,779 |  |  |  | 11,937 |
Total | $ | 70,530 |  |  | $ | 84,117 |  |  | $ | 87,419 |
Geographic Information about Property, Plant and Equipment Associated with Particular Regions | Geographic information about property, plant and equipment associated with particular regions is as follows (in thousands):
| March 31, |
| 2015 |  |  | 2014 |
North America | $ | 54,673 |  |  | $ | 62,426 |
Europe |  | 854 |  |  |  | 1,232 |
Asia Pacific |  | 570 |  |  |  | 916 |
Total | $ | 56,097 |  |  | $ | 64,574 |

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