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INTANGIBLE AND OTHER ASSETS
 6 Months Ended
Mar. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE AND OTHER ASSETS

Intangible assets consist of the following as of March 31, 2016 and September 30, 2015

 

  March 31, 2016   September 30, 2015
Patents $ 54,821     $ 51,596  
Less: accumulated amortization   (8,485 )     (7,126 )
Intangible assets, net $ 46,336     $ 44,470  

 

Amortization expense for the six months ended March 31, 2016 and 2015 was $1,359 and $1,232, respectively.