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v3.25.3

Note 1 - Business Description and Significant Accounting Policies - Summary of Crypto Asset Activities (Details) - Bittensor (TAO) Staking Rewards [Member] | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($)
Tokens purchased | 273.84 | 6.57 | 0 | 280.41 | 0
Crypto purchases | $ 97,000 | $ 2,000 | $ 0 | $ 99,000 | $ 0

X
- Definition The number of crypto units purchased during the period. + References No definition available. + Details
Name: | oblg_CryptoAssetUnitsPurchased
Namespace Prefix: | oblg_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in crypto asset from purchase. Excludes crypto asset held for platform user. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 60 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476162/350-60-50-3 + Details
Name: | us-gaap_CryptoAssetPurchase
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | srt_CryptoAssetAxis=oblg_BittensorTaoStakingRewardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |