v3.21.2

NOTES PAYABLE | 6 Months Ended
--- | ---
Jun. 30, 2021
Notes Payable |
NOTES PAYABLE | NOTE 10 – NOTES PAYABLE As of June 30, 2021 and December 31, 2020, there was one notes payable outstanding totaling $0 and $35,000 respectively.

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- References No definition available. + Details
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Namespace Prefix: | RETC_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Notes payable [Text Block] + References No definition available. + Details
Name: | RETC_NotesPayableTextBlock
Namespace Prefix: | RETC_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration