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Operating Lease - Future Minimum Lease Payments (Details)	Dec. 31, 2020 USD ($)
Leases [Abstract]
2021	$ 852,434
2022	474,016
2023	$ 202,676

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- References

No definition available.

+ Details

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Period Type:	duration

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- Definition

Operating lease future minimum payments due current.

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No definition available.

+ Details

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Namespace Prefix:	yala_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

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- Definition

Operating lease future minimum payments due in three years.

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No definition available.

+ Details

Name:	yala_OperatingLeaseFutureMinimumPaymentsDueInThreeYears
Namespace Prefix:	yala_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

Operating lease future minimum payments due in two years.

+ References

No definition available.

+ Details

Name:	yala_OperatingLeaseFutureMinimumPaymentsDueInTwoYears
Namespace Prefix:	yala_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant