Number of common stock to be issued to debt holders.

No definition available.

Name:	OTLC_NumberOfCommonStockToBeIssuedToDebtHolders
Namespace Prefix:	OTLC_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of warrants to be issued to debt holders.

+ References

No definition available.

+ Details

Name:	OTLC_NumberOfWarrantsToBeIssuedToDebtHolders
Namespace Prefix:	OTLC_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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Period Type:

- Details

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Namespace Prefix:
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SUBSEQUENT EVENTS (Details Narrative) - USD ($)	May 13, 2022	Mar. 31, 2022	Dec. 31, 2021
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Effective Percentage			16.00%
Debt instrument, convertible, conversion price		$ 0.10	$ 0.07
Share Price		$ 0.15
Subsequent Event [Member]
Subsequent Event [Line Items]
Number of common stock to be issued to debt holders	1,403,326
Number of warrants to be issued to debt holders	1,923,077
Securities Purchase Agreement [Member] \| Accredited Investor [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount		$ 250,000
Debt Instrument, Interest Rate, Stated Percentage		12.00%
Debt Instrument, Interest Rate, Effective Percentage		16.00%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,250,000
Share Price		$ 0.20