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v3.25.2

Note 5 - Certain Balance Sheet Accounts - Contract Royalty Asset (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Short-term contract royalty asset | $ 28,221 | $ 29,083
Long-term contract royalty asset | 114,735 | 124,266
Total OMIDRIA contract royalty asset | $ 142,956 | $ 153,349

X
- Definition The amount of contract royalty asset. + References No definition available. + Details
Name: | omer_ContractRoyaltyAsset
Namespace Prefix: | omer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of contract royalty asset, classified as current. + References No definition available. + Details
Name: | omer_ContractRoyaltyAssetCurrent
Namespace Prefix: | omer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of contract royalty asset, classified as noncurrent. + References No definition available. + Details
Name: | omer_ContractRoyaltyAssetNoncurrent
Namespace Prefix: | omer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant