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Commitments (Details) (USD $) | 12 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2012 Illinois One [Member] | May 31, 2012 Illinois One [Member] | Sep. 30, 2012 Illinois One [Member] Minimum [Member] | Sep. 30, 2012 Illinois One [Member] Maximum [Member] | Sep. 30, 2012 Illinois Two [Member] | Sep. 30, 2012 Illinois Two [Member] Minimum [Member] | Sep. 30, 2012 Illinois Two [Member] Maximum [Member] | Sep. 30, 2012 Illinois Three [Member] | Sep. 30, 2012 Illinois Three [Member] Minimum [Member] | Sep. 30, 2012 Illinois Three [Member] Maximum [Member] | Sep. 30, 2012 Illinois Four [Member] | Sep. 30, 2012 Illinois Four [Member] Minimum [Member] | Sep. 30, 2012 Illinois Four [Member] Maximum [Member] | Sep. 30, 2012 Illinois Five [Member] | Sep. 30, 2012 Illinois Five [Member] Minimum [Member] | Sep. 30, 2012 Illinois Five [Member] Maximum [Member]
Lease Period |  |  |  |  | Mar. 01, 2013 | Oct. 31, 2013 |  | Nov. 01, 2013 | Oct. 31, 2014 |  | Nov. 01, 2014 | Oct. 31, 2015 |  | Nov. 01, 2015 | Oct. 31, 2016 |  | Nov. 01, 2016 | Feb. 28, 2017
Operating Leases, Rent Expense | $ 935,000 | $ 683,000 | $ 25,000 | $ 10,000 |  |  | $ 28,000 |  |  | $ 30,000 |  |  | $ 33,000 |  |  | $ 36,000 |  |

X
- Definition It represents the period of lease. + References No definition available. + Details
Name: | ctib_LeasePeriod
Namespace Prefix: | ctib_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration