Quarterly report pursuant to Section 13 or 15(d)

Other Current Liabilities (Details)

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Other Current Liabilities (Details) (USD $)
3 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Mar. 31, 2012
UTCP
     
Other Current Liabilities      
Capacity of microturbine (in kW) 200    
Cash contribution $ 12,000,000    
In-kind contribution 800,000    
Royalty payable (as a percent) 10.00%    
Royalty payable after recovery of cash and in-kind services (as a percent) 5.00%    
Carrier
     
Other Current Liabilities      
Reduction in predetermined fixed rate royalty (as a percent) 50.00%    
Royalties earned 900,000 600,000  
Unpaid earned royalties $ 900,000   $ 1,000,000