Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Solar Turbines (Details)

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Intangible Assets - Solar Turbines (Details) - Solar - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Mar. 31, 2015
Intangible Assets          
Years subject to payment of per-unit royalty fees     17 years    
Royalty Revenue $ 7,200 $ 18,100 $ 26,400 $ 51,800  
Unpaid earned royalties     $ 26,400   $ 19,300