Quarterly report pursuant to Section 13 or 15(d)

Other Current Liabilities (Details)

v3.3.0.814
Other Current Liabilities (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2007
kW
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Mar. 31, 2015
USD ($)
UTCP            
Other Current Liabilities            
Capacity of microturbine (in kW) | kW 200          
Carrier            
Other Current Liabilities            
Royalties earned   $ 0.2 $ 0.5 $ 0.6 $ 0.8  
Unpaid earned royalties       $ 0.2   $ 0.4