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16. Derivative Financial Instruments (Details Narrative) - Warrants [Member] - USD ($)	12 Months Ended
	Dec. 31, 2019	Sep. 30, 2020
Warrants expire date	Jun. 30, 2021
Aggregate intrinsic value of warrants outstanding	$ 0	$ 0
Aggregate intrinsic value of warrants exercisable	$ 0	$ 0

X

- Definition

Aggregate intrinsic value of warrants exercisable

+ References

No definition available.

+ Details

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Namespace Prefix:	urgo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

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Namespace Prefix:	urgo_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

+ References

No definition available.

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: