Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Solar Turbines (Details)

v3.8.0.1
Intangible Assets - Solar Turbines (Details) - Solar - USD ($)
12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Intangible Assets    
Years subject to payment of per-unit royalty fees 17 years  
Royalties earned $ 30,900 $ 32,100
Unpaid earned royalties $ 8,000 $ 10,000