cm:Concept: us-gaap:ResearchAndDevelopmentArrangementWithFederalGovernmentDescriptionAndTerms
| Research and Development Arrangement with Federal Government, Description and Terms |
| us-gaap:ResearchAndDevelopmentArrangementWithFederalGovernmentDescriptionAndTerms |
| Describes a fixed-price best-efforts research and development cost-sharing arrangement with the Federal Government (including actual costs incurred and customer funding received and the estimated total contract expenditures and customer funding), the activities to be performed under the arrangement, and any unusual contractual commitments or funding contingencies. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:ResearchAndDevelopmentArrangementWithFederalGovernmentDescriptionAndTerms |