|
Commitments and Contingencies (Details 3) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 0 Months Ended | 1 Months Ended |
|---|---|---|---|
|
Mar. 31, 2015
|
May 31, 2014
|
Sep. 30, 2010
kW
|
|
| Other disclosures | |||
| Cost to distributors for replacement of affected stock | $ 0cpst_CostToDistributorsForReplacementOfAffectedStock | ||
| DOE | |||
| Commitments and Contingencies | |||
| Projected cost of research, development and testing project |
0.2cpst_ProjectedCostOfResearchDevelopmentAndTestingProject / dei_LegalEntityAxis = cpst_DepartmentOfEnergyMember |
||
| Percentage Contribution by ORNL |
100.00%cpst_PercentageContribution / dei_LegalEntityAxis = cpst_DepartmentOfEnergyMember |
||
| Period of contract | 19 months | ||
| Cumulative amount of bill under contract |
0.1cpst_CumulativeAmountOfBillToOtherPartyTowardsResearchDevelopmentAndTestingProject / dei_LegalEntityAxis = cpst_DepartmentOfEnergyMember |
||
| Research, development and testing of a more efficient microturbine Combined Heat and Power (CHP) system | |||
| Commitments and Contingencies | |||
| Projected electrical efficiency of microturbine (as a percent) |
42.00%cpst_PercentageOfProjectedElectricalEfficiencyOfMicroturbine / us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis = cpst_ResearchDevelopmentAndTestingOfMoreEfficientMicroturbineMember |
||
| Power output of microturbine (in kW) |
370cpst_PowerOutputOfMicroturbine / us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis = cpst_ResearchDevelopmentAndTestingOfMoreEfficientMicroturbineMember |
||
| Projected cost of research, development and testing project |
15.0cpst_ProjectedCostOfResearchDevelopmentAndTestingProject / us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis = cpst_ResearchDevelopmentAndTestingOfMoreEfficientMicroturbineMember |
||
| Contribution by other party |
5.0cpst_ContributionToBeMadeByOtherPartyTowardsResearchDevelopmentAndTestingProject / us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis = cpst_ResearchDevelopmentAndTestingOfMoreEfficientMicroturbineMember |
||
| Expense to be incurred by the company in research and development |
10.0cpst_ResearchAndDevelopmentExpenseToBeIncurredByEntity / us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis = cpst_ResearchDevelopmentAndTestingOfMoreEfficientMicroturbineMember |
||
| Period of contract | 5 years | ||
| Cumulative amount of bill under contract |
$ 3.9cpst_CumulativeAmountOfBillToOtherPartyTowardsResearchDevelopmentAndTestingProject / us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis = cpst_ResearchDevelopmentAndTestingOfMoreEfficientMicroturbineMember |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Represents the contribution of other party towards research, development and testing project. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the cost to distributors for replacing the affected stock. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the cumulative amount billed to other party under research, development and testing of project. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the percentage of contribution by other party towards research, development and testing project. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the percentage of projected electrical efficiency of microturbine. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the period of contract with other party under research, development and testing of project. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the power output of microturbine system. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the cost of research, development and testing project. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the research and development expense to be incurred by the entity. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|