v2.4.0.8

Summary of Significant Accounting Policies (Details) - Valuation inputs hierarchy classification for the warrant liability measured at fair value on a recurring basis (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Fair Value, Inputs, Level 1 [Member] |  |
Liabilities |  |
Warrant Liability |  |
Liabilities |  |
Fair Value, Inputs, Level 2 [Member] |  |
Liabilities |  |
Warrant Liability |  |
Liabilities |  |
Fair Value, Inputs, Level 3 [Member] |  |
Liabilities |  |
Warrant Liability | 939 | 10
Liabilities | $ 939 | $ 10

X
- Definition Current portion of warrant liabilities. + References No definition available. + Details
Name: | cdti_WarrantLiabilityCurrent
Namespace Prefix: | cdti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
Name: | us-gaap_FinancialLiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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