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Notes Payable and Capital Leases (Details Textual) (USD $)
1 Months Ended 6 Months Ended 12 Months Ended
Jul. 17, 2012
Jul. 31, 2012
Apr. 29, 2010
Jan. 02, 2010
Jul. 17, 2012
Dec. 31, 2014
Dec. 31, 2013
Feb. 28, 2003
Debt Instrument [Line Items]                
Line of Credit Facility, Initiation Date           Apr. 29, 2010    
Line of Credit Facility, Maximum Borrowing Capacity     $ 9,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity          
Equipment Loan     2,500,000ctib_EquipmentLoan          
Mortgage Loan Amount Of Carrying Value     2,333,350ctib_MortgageLoanAmountOfCarryingValue          
Term Loan Amount Of Carrying Value     583,333ctib_TermLoanAmountOfCarryingValue          
Revolving Credit Facility Eligible Accounts Percentage   85.00%ctib_RevolvingCreditFacilityEligibleAccountsPercentage            
Revolving Credit Facility Eligible Inventory Percentage   60.00%ctib_RevolvingCreditFacilityEligibleInventoryPercentage            
Subordinated Debt       7,100,000us-gaap_SubordinatedDebt        
Percentage Of Cumulative Net Income       50.00%ctib_PercentageOfCumulativeNetIncome        
Debt Instrument, Interest Rate, Stated Percentage               9.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Effective Percentage 11.50%us-gaap_DebtInstrumentInterestRateEffectivePercentage       11.50%us-gaap_DebtInstrumentInterestRateEffectivePercentage      
Capital Lease Obligations, Current           38,595us-gaap_CapitalLeaseObligationsCurrent 30,487us-gaap_CapitalLeaseObligationsCurrent  
Loan Amortization Term           25 years    
Mortgage Loans Maturity Date           Apr. 30, 2014    
Revolver Loan Commitment Minimum 9,000,000ctib_RevolverLoanCommitmentMinimum       9,000,000ctib_RevolverLoanCommitmentMinimum      
Revolver Loan Commitment Maximum 12,000,000ctib_RevolverLoanCommitmentMaximum 12,000,000ctib_RevolverLoanCommitmentMaximum     12,000,000ctib_RevolverLoanCommitmentMaximum      
Proceeds From Issuance Of Note and Warrants         5,000,000ctib_ProceedsFromIssuanceOfNoteAndWarrants      
Percentage Of Common Stock Issued 4.00%ctib_PercentageOfCommonStockIssued       4.00%ctib_PercentageOfCommonStockIssued      
Warrants Issued To Purchase Common Stock         140,048ctib_WarrantsIssuedToPurchaseCommonStock      
Share Price $ 0.01us-gaap_SharePrice       $ 0.01us-gaap_SharePrice      
Closing Fee           100,000ctib_ClosingFee    
Debt Instrument Additional Interest Expense           110,000ctib_DebtInstrumentAdditionalInterestExpense 107,000ctib_DebtInstrumentAdditionalInterestExpense  
Level Of Adjusted EBITDA, Description           not less than 1.1 to 1    
Value Allocated To Detachable Warrant           703,000ctib_ValueAllocatedToDetachableWarrant    
Long-Term Line Of Credit     14,417,000us-gaap_LineOfCredit          
John H Schwan And Stephen M Merrick [Member]                
Debt Instrument [Line Items]                
Long-Term Line Of Credit           1,000,000us-gaap_LineOfCredit
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ctib_JohnSchwanAndStephenMerrickMember
   
Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Line of Credit Facility, Remaining Borrowing Capacity           200,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
   
Long-Term Line Of Credit           11,664,000us-gaap_LineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
   
Mezzanine Note Payable [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Interest Rate, Stated Percentage           11.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= ctib_MezzanineNotePayableMember
   
Debt Instrument, Interest Rate, Effective Percentage           15.56%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= ctib_MezzanineNotePayableMember
   
Debt Instrument, Maturity Date, Description           January 18, 2018    
Term Loan With Barrington Bank [Member]                
Debt Instrument [Line Items]                
Notes Payable To Bank Monthly Installment           11,000ctib_NotesPayableToBankMonthlyInstallment
/ us-gaap_LongtermDebtTypeAxis
= ctib_TermLoanWithBarringtonBankMember
   
Debt Instrument, Convertible, Remaining Discount Amortization Period           7 years    
Debt Instrument, Interest Rate, Stated Percentage           6.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= ctib_TermLoanWithBarringtonBankMember
   
Debt Instrument, Maturity Date, Description           May 2016    
Mortgage Loan [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Convertible, Remaining Discount Amortization Period           25 years    
Debt Instrument, Maturity Date, Description           July 18, 2017    
Loan Monthly Installment           7,778ctib_LoanMonthlyInstallment
/ us-gaap_LongtermDebtTypeAxis
= ctib_MortgageLoanMember
   
Debt Instrument, Interest Rate Terms           interest at prime (3.25%) plus a premium rate (based on loan covenants) of 0.75% (4.00%) at December 31, 2014 and 2013    
John J.Blaser And Stephanie M.Blaser [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Interest Rate, Stated Percentage           4.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= ctib_JohnJblaserAndStephanieMblaserMember
   
Equipment Loan [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Convertible, Remaining Discount Amortization Period           60 months    
Debt Instrument, Maturity Date, Description           March 31, 2017    
Loan Monthly Installment           22,323ctib_LoanMonthlyInstallment
/ us-gaap_LongtermDebtTypeAxis
= ctib_EquipmentLoanMember
   
Debt Instrument, Interest Rate Terms           interest at prime (3.25%) plus a premium rate (based on loan covenants) of 0.75% (4.00%) at December 31, 2014 and 2013    
First American Equipment Finance [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Convertible, Remaining Discount Amortization Period           5 years    
Capital Lease Obligations, Current           2,890us-gaap_CapitalLeaseObligationsCurrent
/ us-gaap_LongtermDebtTypeAxis
= ctib_FirstAmericanEquipmentFinanceMember
   
Wells Fargo [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Convertible, Remaining Discount Amortization Period           5 years    
Capital Lease Obligations, Current           367us-gaap_CapitalLeaseObligationsCurrent
/ us-gaap_LongtermDebtTypeAxis
= ctib_WellsFargoMember
   
Wells Fargo [Member] | Installment one [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Convertible, Remaining Discount Amortization Period           3 years    
Capital Lease Obligations, Current           $ 550us-gaap_CapitalLeaseObligationsCurrent
/ ctib_InstallmentAxis
= ctib_InstallmentOneMember
/ us-gaap_LongtermDebtTypeAxis
= ctib_WellsFargoMember
   
Subordinated Notes [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Maturity Date, Description           due on demand    
Debt Instrument, Interest Rate Terms           interest at 9%    
Subordinated Notes One [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Maturity Date, Description           due on demand    
Debt Instrument, Interest Rate Terms           interest at 8%    
Subordinated Notes Two [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Maturity Date, Description           due on demand    
Debt Instrument, Interest Rate Terms           interest at prime (3.25%) plus 2% (5.25%) at December 31, 2014 and 2013    
Notes Payable Affiliates [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Maturity Date, Description           due 2015    
Debt Instrument, Interest Rate Terms           interest at prime (3.25%) plus 0.25% (3.50%) at December 31, 2013 and 2012    
Merrick [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Maturity Date, Description           due on demand    
Debt Instrument, Interest Rate Terms           interest at 4.25%    
Schwan [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Maturity Date, Description           due on demand    
Debt Instrument, Interest Rate Terms           interest at 4.25%    
Notes Payable Affiliates One [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Maturity Date, Description           due 2021    
Debt Instrument, Interest Rate Terms           interest at 11.75%