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v3.21.2

Note 14 - Subsequent Events (Details Textual) - USD ($) | Jul. 31, 2021 | Jul. 30, 2021
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Flexo Universal [Member] |  |
Proceeds From Redemption of Equity Interests | $ 500,000 | $ 100,000

X
- Definition The amount of cash inflow from the redemption of equity interests. + References No definition available. + Details
Name: | ctib_ProceedsFromRedemptionOfEquityInterests
Namespace Prefix: | ctib_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_OwnershipAxis=ctib_FlexoUniversalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |