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Note 12 - Revenue From Product Sales - Sales Reserves Activity (Details) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2022 USD ($)
Balance | $ 1,708
Accruals | 8,842
Utilizations | (8,225)
Balance | 2,325
Government Sponsored Programs Reserves [Member] |
Balance | 373
Accruals | 4,410
Utilizations | (4,226)
Balance | 557
Other Reserves [Member] |
Balance | 1,335
Accruals | 4,432
Utilizations | (3,999)
Balance | $ 1,768

X
- Definition Carrying value as of the balance sheet date of accrued sales reserve. + References No definition available. + Details
Name: | urgn_AccruedSalesReserve
Namespace Prefix: | urgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of sales reserve accruals during the period. + References No definition available. + Details
Name: | urgn_SalesReserveAccruals
Namespace Prefix: | urgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of utilization of sales reserve during the period. + References No definition available. + Details
Name: | urgn_SalesReserveUtilization
Namespace Prefix: | urgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=urgn_GovernmentSponsoredProgramsReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=urgn_OtherReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |