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Employee Benefit Plan (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Employee Benefit Plan [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent	4.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Defined Benefit Plan, Contributions by Employer	$ 98,000us-gaap_DefinedBenefitPlanContributionsByEmployer	$ 90,000us-gaap_DefinedBenefitPlanContributionsByEmployer

X

- Details

Name:	ctib_EmployeeBenefitPlanLineItems
Namespace Prefix:	ctib_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration