Represents the expected recognized expenses for the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees Represents the expected recognized expenses for the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

No definition available.

Stockholders' Equity (Details Textual) (USD $)	1 Months Ended			6 Months Ended	12 Months Ended
Stockholders' Equity (Details Textual) (USD $)	Jul. 17, 2012	Feb. 28, 2006	Feb. 28, 2003	Jul. 17, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 28, 2010	Feb. 08, 2008	Apr. 12, 2001	Apr. 24, 2002	Apr. 10, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Stock Ownership Plan (ESOP), Plan Description					The Compensation Committee administers the stock-based plans. The exercise price for Incentive Stock Options (“ISO”) cannot be less than the fair value of the stock subject to the option on the grant date (110% of such fair value in the case of ISOs granted to a stockholder who owns more than 10% of the Company’s Common Stock). The exercise price of a Non-Qualified Stock Options (“NQSO”) shall be fixed by the Compensation Committee at whatever price the Committee may determine in good faith. Unless the Committee determines otherwise, options beginning with the 2007 Plan generally have a 4-year term with a 3-year vesting schedule.
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term					3 years 9 months
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate					0.00%
Allocated Share-based Compensation Expense					$ 77,000	$ 120,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized					43,000
Expected Recognized Compensation Expenses Year 2015					29,000
Expected Recognized Compensation Expenses Year 2016					11,000
Expected Recognized Compensation Expenses Year 2017					3,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					214,500	228,500	218,500
Percentage Of Common Stock Issued	4.00%ctib_PercentageOfCommonStockIssued			4.00%ctib_PercentageOfCommonStockIssued
Share Price	$ 0.01us-gaap_SharePrice			$ 0.01us-gaap_SharePrice
Warrants Expiration Term					7 years 6 months
Notes Payable	5,000,000us-gaap_NotesPayable			5,000,000us-gaap_NotesPayable				548,000us-gaap_NotesPayable	4,000us-gaap_NotesPayable
Fair Value Of Warrants	$ 703,000ctib_FairValueOfWarrants	$ 443,000ctib_FairValueOfWarrants	$ 460,000ctib_FairValueOfWarrants		$ 525,000ctib_FairValueOfWarrants
Vesting Schedule A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					20,000
Vesting Schedule B [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					21,000
Vesting Schedule C [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					20,000
Vesting Schedule D [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					114,000
Stock Option Plan 2001 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized										119,050
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					139,958
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number					2,000
Stock Option Plan 2002 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized											142,860
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					123,430
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number					27,500
Stock Incentive Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized												250,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					49,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures					201,000
Share Based Compensation Arrangement By Share Based Payment Award Options Grant Outstanding Number					185,000
Share Based Compensation Arrangement By Share Based Payment Award Options Vested					102,599		10,000
Share Based Compensation Arrangement By Share Based Payment Award Options Not Vested					82,401