v2.4.0.8

Income Taxes (Details) - Multiple tax jurisdictions, both within and outside of the United States | 12 Months Ended
--- | ---
Dec. 31, 2013
United States – Federal [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2010 - 2013
United States – State [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2009 - 2013
Canada [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2008 - 2013
Sweden [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2011 - 2013
United Kingdom [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2009 - 2013

X
- Definition Tax year range that remains open to examination under enacted tax laws + References No definition available. + Details
Name: | cdti_OpenTaxYears
Namespace Prefix: | cdti_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxExaminationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration