Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details 5)

v2.4.0.6
Commitments and Contingencies (Details 5) (USD $)
In Millions, unless otherwise specified
12 Months Ended 1 Months Ended 1 Months Ended
Mar. 31, 2013
Sep. 30, 2010
Research, development and testing of a more efficient microturbine Combined Heat and Power (CHP) system
DOE
kW
Mar. 31, 2013
Research, development and testing of a more efficient microturbine Combined Heat and Power (CHP) system
DOE
Nov. 30, 2009
Research, development and testing of a more fuel flexible microturbine
DOE
Mar. 31, 2013
Research, development and testing of a more fuel flexible microturbine
DOE
Commitments and Contingencies          
Projected electrical efficiency of microturbine (as a percent)   42.00%      
Power output of microturbine (in kW)   370      
Projected cost of research, development and testing project   $ 17.4   $ 3.8  
Contribution by other party     5.0   2.5
Expense to be incurred by the company in research and development     12.4   1.3
Cumulative amount of bill under contract     2.4   1.3
Other disclosures          
Cost to distributors for replacement of affected stock $ 0