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Equity Investments
9 Months Ended
Dec. 31, 2011
Equity Investments [Abstract]  
Equity Investments

11. 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"), is 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 December 31, 2011, the Company holds a 34% ownership interest in Tres Amigas

     The Company has determined that Tres Amigas is a variable interest entity ("VIE") and that the Company is not the primary beneficiary of the VIE. Therefore, the Company has not consolidated Tres Amigas as of December 31, 2011. 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 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 nine months ended December 31, 2011 is as follows (in thousands):

Balance at April 1, 2011 $ 3,026  
Purchase of minority investment   1,800  
Minority interest in net losses   (741 )
Balance at December 31, 2011 $ 4,085  

 

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. The Company uses the equity method of accounting for this investment since it does not have a controlling ownership interest in the operating and financial policies of Blade Dynamics. As such, the investment is carried at the acquisition cost, plus the Company's equity in undistributed earnings or losses. The Company's investment is included in other assets on the unaudited condensed consolidated balance sheets and the minority interest in net losses of Blade Dynamics is included in other income, net, on the unaudited condensed consolidated statements of operations. As of December 31, 2011, the Company holds a 25% ownership interest in Blade Dynamics. The net investment activity for the nine months ended December 31, 2011 is as follows (in thousands):

Balance at April 1, 2011 $ 7,903  
Minority interest in net losses   (880 )
Net foreign exchange rate impact   (561 )
Balance at December 31, 2011 $ 6,462