Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Solar Turbines (Details)

v3.5.0.2
Intangible Assets - Solar Turbines (Details) - Solar - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Mar. 31, 2016
Intangible Assets          
Years subject to payment of per-unit royalty fees     17 years    
Royalties earned $ 6,400 $ 7,000 $ 14,700 $ 19,200  
Unpaid earned royalties $ 6,400   $ 6,400   $ 35,000