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Note 3 - Going Concern (Details Textual)	Oct. 08, 2018 USD ($)
Subsequent Event [Member] | PNC [Member] | PNC Agreements, Amendment Two [Member]
Debt Instrument, Covenant, Required Proceeds from Equity Issuance	$ 7,500,000

X

- Definition

The amount in debt convenants of required proceeds from equity issuance under a debt instrument.

+ References

No definition available.

+ Details

Name:	ctib_DebtInstrumentCovenantRequiredProceedsFromEquityIssuance
Namespace Prefix:	ctib_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=ctib_PNCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ctib_PNCAgreementsAmendmentTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: