| Component: (Network and Table) | |
|---|---|
| Network | 40401 - Disclosure - Inventories (Details) (http://www.cdti.com/role/DisclosureInventoriesDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000949428 (http://www.sec.gov/CIK) |
| Inventories | Period [Axis] | |
|---|---|---|
2015-12-31 | 2014-12-31 | |
Inventories | ||
Raw materials | ||
Work in process | ||
Finished goods | ||
Total inventories | 7,918,000 | 6,298,000 |