SCHEDULE OF WARRANTS OUTSTANDING AND EXERCISABLE (Details)	Sep. 30, 2022 $ / shares shares
Warrants Outstanding, Number of Warrants	82,322,855
Weighted-Average Remaining Life in Years	1 year
Warrants Weighted- Average Exercise Price \| $ / shares	$ 0.18
Warrants Exercisable, Exercisable Number of Warrants	82,322,855
Exercise Price 1 [Member] \| Warrant [Member]
Warrants Outstanding, Exercise Price \| $ / shares	$ 0.20
Warrants Outstanding, Number of Warrants	42,737,500
Weighted-Average Remaining Life in Years	6 months
Warrants Weighted- Average Exercise Price \| $ / shares	$ 0.20
Warrants Exercisable, Exercisable Number of Warrants	42,737,500
Exercise Price 2 [Member] \| Warrant [Member]
Warrants Outstanding, Exercise Price \| $ / shares	$ 0.13
Warrants Outstanding, Number of Warrants	961,539
Weighted-Average Remaining Life in Years	4 years 2 months 15 days
Warrants Weighted- Average Exercise Price \| $ / shares	$ 0.13
Warrants Exercisable, Exercisable Number of Warrants	961,539
Exercise Price 3 [Member] \| Warrant [Member]
Warrants Outstanding, Exercise Price \| $ / shares	$ 0.15
Warrants Outstanding, Number of Warrants	33,000,066
Weighted-Average Remaining Life in Years	1 year 6 months
Warrants Weighted- Average Exercise Price \| $ / shares	$ 0.15
Warrants Exercisable, Exercisable Number of Warrants	33,000,066
Exercise Price 4 [Member] \| Warrant [Member]
Warrants Outstanding, Exercise Price \| $ / shares	$ 0.20
Warrants Outstanding, Number of Warrants	5,623,750
Warrants Weighted- Average Exercise Price \| $ / shares	$ 0.20
Warrants Exercisable, Exercisable Number of Warrants	5,623,750
Exercise Price 4 [Member] \| Warrant [Member] \| Minimum [Member]
Weighted-Average Remaining Life in Years	4 years 6 months
Exercise Price 4 [Member] \| Warrant [Member] \| Maximum [Member]
Weighted-Average Remaining Life in Years	4 years 8 months 23 days

Warrants weighted- average exercise price of warrants.

No definition available.

Name:	OTLC_ClassOfWarrantWeightedAverageExercisePriceOfWarrants
Namespace Prefix:	OTLC_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

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Period Type:	instant

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

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