|
Other Current Liabilities (Details) (USD $)
|
1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|---|
|
Sep. 30, 2007
kW
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Mar. 31, 2014
|
|
| UTCP | |||||||
| Other Current Liabilities | |||||||
| Capacity of microturbine (in kW) | 200 | ||||||
| Cash contribution | $ 12,000,000 | ||||||
| In-kind services contribution | 800,000 | ||||||
| Royalty payable (as a percent) | 10.00% | ||||||
| Royalty payable after recovery of cash and in-kind services (as a percent) | 5.00% | ||||||
| Carrier | |||||||
| Other Current Liabilities | |||||||
| Reduction in fixed rate royalty (as a percent) | 50.00% | ||||||
| Royalty Revenue | 400,000 | 600,000 | 1,200,000 | 2,200,000 | |||
| Unpaid earned royalties | $ 400,000 | $ 600,000 | |||||