v2.4.0.8

Debt (Details) - Components of Debt (Parentheticals) (USD $) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
$1.5 Million, 8% Shareholder Note Due 2015 [Member] |  |
Debt (Details) - Components of Debt (Parentheticals) [Line Items] |  |
Interest Rate, Stated Percentage | 8.00% | 8.00%
Maturity Year | 2015 | 2015
Shareholder note due, Face Amount | $ 1,500 | $ 1,500
$3.0 Million, 8% Subordinated Convertible Shareholder Notes Due 2016 [Member] |  |
Debt (Details) - Components of Debt (Parentheticals) [Line Items] |  |
Interest Rate, Stated Percentage | 8.00% | 8.00%
Maturity Year | 2016 | 2016
Shareholder note due, Face Amount | 3,000 | 3,000
$3.0 Million, 8% Shareholder Note Due 2015 [Member] |  |
Debt (Details) - Components of Debt (Parentheticals) [Line Items] |  |
Interest Rate, Stated Percentage | 8.00% | 8.00%
Maturity Year | 2015 | 2015
Shareholder note due, Face Amount | $ 3,000 | $ 3,000

X
- Details
Name: | cdti_DebtDetailsComponentsofDebtParentheticalsLineItems
Namespace Prefix: | cdti_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Year in which the debt instrument is scheduled to be fully repaid. + References No definition available. + Details
Name: | cdti_DebtInstrumentMaturityYear
Namespace Prefix: | cdti_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant