Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details 2)

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Intangible Assets (Details 2) (Solar, USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Mar. 31, 2013
Solar
         
Intangible Assets          
Royalties earned $ 22,100 $ 16,600 $ 47,300 $ 32,600  
Unpaid earned royalties     $ 22,100   $ 24,600
Years subject to payment of per-unit royalty fees     17 years