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Business Segments (Tables) | 12 Months Ended
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Mar. 31, 2016
Segment Reporting [Abstract] |
Schedule of Operating Results and Assets of Segments | The operating results for the two business segments are as follows (in thousands):
| Fiscal Years Ended March 31, |
| 2016 |  |  | 2015 |  |  | 2014 |
Revenues: |  |  |  |  |  |  |  |  |  |  |
Wind | $ | 68,883 |  |  | $ | 51,307 |  |  | $ | 55,608 |
Grid |  | 27,140 |  |  |  | 19,223 |  |  |  | 28,509 |
Total | $ | 96,023 |  |  | $ | 70,530 |  |  | $ | 84,117 |
| Fiscal Years Ended March 31, |
| 2016 |  |  | 2015 |  |  | 2014 |
Operating loss: |  |  |  |  |  |  |  |  |  |  |
Wind | $ | (1,256 | ) |  | $ | (14,321 | ) |  | $ | (5,213 | )
Grid |  | (14,835 | ) |  |  | (26,890 | ) |  |  | (22,523 | )
Unallocated corporate expenses |  | (4,027 | ) |  |  | (11,306 | ) |  |  | (13,693 | )
Total | $ | (20,118 | ) |  | $ | (52,517 | ) |  | $ | (41,429 | )
Total assets for the two business segments as of March 31, 2016 and March 31, 2015 are as follows (in thousands):
| March 31, |  |  | March 31, |
| 2016 |  |  | 2015 |
Wind | $ | 34,389 |  |  | $ | 41,947 |
Grid |  | 36,255 |  |  |  | 42,482 |
Corporate assets |  | 64,674 |  |  |  | 49,396 |
Total | $ | 135,318 |  |  | $ | 133,825 |
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):
| Fiscal years ended March 31, |
| 2016 |  |  | 2015 |  |  | 2014 |
India | $ | 59,640 |  |  | $ | 39,314 |  |  | $ | 26,384 |
U.S. |  | 14,565 |  |  |  | 9,820 |  |  |  | 11,013 |
China |  | 8,455 |  |  |  | 10,410 |  |  |  | 24,748 |
Asia Pacific |  | 5,364 |  |  |  | 3,788 |  |  |  | 8,223 |
Africa |  | 2,697 |  |  |  | 616 |  |  |  | 2,187 |
Australia |  | 2,410 |  |  |  | 1,653 |  |  |  | 3,037 |
Europe |  | 1,775 |  |  |  | 2,239 |  |  |  | 5,213 |
Canada |  | 1,117 |  |  |  | 2,690 |  |  |  | 3,312 |
Total | $ | 96,023 |  |  | $ | 70,530 |  |  | $ | 84,117 |
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, |
| 2016 |  |  | 2015 |
North America | $ | 48,685 |  |  | $ | 54,673 |
Europe |  | 868 |  |  |  | 854 |
Asia Pacific |  | 225 |  |  |  | 570 |
Total | $ | 49,778 |  |  | $ | 56,097 |

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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8736-108599 + Details
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