CUSTOMER DEPOSITS (Details) - USD ($)	Jul. 31, 2020	Apr. 30, 2020
CUSTOMER DEPOSITS
Customer deposits	$ 68,000	$ 16,000

Customer money held in customer accounts, including security deposits, collateral for a current or future transactions, initial payment of the cost of acquisition or for the right to enter into a contract or agreement.

No definition available.

Name:	ttlo_ContractWithCustomerDeposits
Namespace Prefix:	ttlo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant