XML 96 R66.htm IDEA: XBRL DOCUMENT
v3.19.1

Note 16 - Commitments - Operating Leases (Details) - USD ($) | 12 Months Ended
--- | ---
Feb. 28, 2020 | Feb. 28, 2019
Scenario, Forecast [Member] |  |
Lease expiration date | Mar. 01, 2019 |
Lease start date | Feb. 28, 2020 |
Amount per month | $ 42,000 |
Subsequent Event [Member] |  |
Lease expiration date |  | Mar. 01, 2018
Lease start date |  | Feb. 28, 2019
Amount per month |  | $ 40,000

X
- Definition Date which lease or group of leases is set to start, in CCYY-MM-DD format. + References No definition available. + Details
Name: | ctib_LeaseInitiationDate
Namespace Prefix: | ctib_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the monthly rent required for operating lease. + References No definition available. + Details
Name: | ctib_OperatingLeaseMonthlyRent
Namespace Prefix: | ctib_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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