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Equity Investments | 3 Months Ended
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Jun. 30, 2012
Equity Investments [Abstract] |
Equity Investments | 13. Equity Investments Investment in Tres Amigas On October 9, 2009, the Company made an investment in Tres Amigas LLC, a Delaware limited liability company ("Tres Amigas"), focused on providing the first common interconnection of America's three power grids to help the country achieve its renewable energy goals and facilitate the smooth, reliable and efficient transfer of green power from region to region, for $1.8 million, consisting of $0.8 million in cash and $1.0 million in AMSC common stock. On January 6, 2011 and May 20, 2011, the Company increased its minority position in Tres Amigas by investing an additional $1.8 million in cash on each date. As of June 30, 2012, the Company holds a 26% ownership interest in Tres Amigas. The Company's investment in Tres Amigas is included in other assets on the consolidated balance sheet and the equity in undistributed losses of Tres Amigas is included in other income, net, on the consolidated statements of operations. The net investment activity for the three months ended June 30, 2012 is as follows (in thousands):
Balance at April 1, 2012 | $ | 3,859 |
Minority interest in net losses |  | (227 | )
Balance at June 30, 2012 | $ | 3,632 |
Investment in Blade Dynamics Ltd. On August 12, 2010, the Company acquired (through its Austrian subsidiary), a minority ownership position in Blade Dynamics Ltd. ("Blade Dynamics"), a designer and manufacturer of advanced wind turbine blades based on proprietary materials and structural technologies, for $8.0 million in cash. As of June 30, 2012, the Company holds a 25% ownership interest in Blade Dynamics. The Company has determined that Blade Dynamics is a variable interest entity ("VIE") and that the Company is not the primary beneficiary of the VIE. Therefore, the Company has not consolidated Blade Dynamics as of June 30, 2012. The investment is carried at the acquisition cost, plus the Company's equity in undistributed earnings or losses. The Company's maximum exposure to loss is limited to the Company's recorded investment in this VIE. The Company's investment in Blade Dynamics is included in other assets on the consolidated balance sheet and the equity in undistributed losses of Blade Dynamics is included in other income, net, on the consolidated statements of operations. The net investment activity for the three months ended June 30, 2012 is as follows (in thousands):
Balance at April 1, 2012 | $ | 6,083 |
Minority interest in net losses |  | (584 | )
Net foreign exchange rate impact |  | (350 | )
Balance at June 30, 2012 | $ | 5,149 |

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- Definition The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32787-111569 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32847-111569 + Details
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