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Percentage of convertible debt would be converted to equity securities under the debt arrangement.

No definition available.

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Upon the occurrence of a Liquidity Event, the discount rate to the Liquidity Event price.

No definition available.

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Minimum percentage of counterparty ownership to designate board nominee.

No definition available.

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Represents the number of board members designated by the counter party under the debt arrangement.

No definition available.

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Represents the number of board of directors that would be added based on the debt arrangement.

No definition available.

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The gross value, as of the date of each statement of financial position presented, of accounts receivable which are owned but transferred to serve as collateral for the payment of the related debt obligation.

No definition available.

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Data Type:	xbrli:monetaryItemType
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The amount of minimum gross proceeds from the Qualified Financing under the debt arrangement.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

Reference 1: 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)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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Period Type:	instant

The price per share of the conversion feature embedded in the debt instrument.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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Period Type:	instant

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instruments must exceed threshold percentage for a specified number of trading days to trigger conversion feature, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Face (par) amount of debt instrument at time of issuance.

Reference 1: 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

Reference 2: 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

Name:	us-gaap_DebtInstrumentFaceAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Contractual interest rate for funds borrowed, under the debt agreement.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Increase in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_LineOfCreditFacilityLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	us-gaap_DebtInstrumentAxis=cdti_FGIFacilityMember
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Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
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Data Type:	na
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
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Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_SecuredDebtMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=cdti_TwoPointFiveMillion8PercentShareHolderNoteDue2017Member
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Data Type:	na
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=cdti_ZeroPointFiveMillion8PercentDirectorNoteDue2017Member
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=cdti_ZeroPointEightMillion8PercentPromissoryNoteDue2016Member
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Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_ConvertibleDebtMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=cdti_KanisAgreementMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=cdti_BellNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=cdti_BellExchangeAgreementMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=cdti_NotePurchaseAgreementWithHaldorTopsoeMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SubordinatedDebtMember
Namespace Prefix:
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