XML 51 R41.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 9 - Subsequent Events (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended | 24 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 30, 2025 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Apr. 17, 2025
Stock Issued During Period, Shares, Warrants Exercised (in shares) |  | 10,000 |  |  |  |  |
Conversion of Series F Preferred Stock to Common Stock [Member] |  |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | 0 | 922 |  |  |  |
Conversion of Stock, Amount of Dividends Converted |  |  | $ 84,000 |  |  |  |
Conversion of Stock, Shares Issued (in shares) |  | 641,592 | 90,056 | 288,968 | 352,624 | 641,592 |
Common Stock Warrants [Member] |  |  |  |  |  |  |
Class of Warrant or Right, Exercised (in shares) |  | 10,000 | 0 |  |  |  |
Proceeds From Warrant Exercises, Net |  | $ 31,000 | $ 0 |  |  |  |
Subsequent Event [Member] | Conversion of Series F Preferred Stock to Common Stock [Member] |  |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) | 52 |  |  |  |  |  |
Conversion of Stock, Amount of Dividends Converted | $ 4,000 |  |  |  |  |  |
Conversion of Stock, Shares Issued (in shares) | 5,044 |  |  |  |  |  |
Subsequent Event [Member] | Common Stock Warrants [Member] |  |  |  |  |  |  |
Class of Warrant or Right, Exercised (in shares) | 165,000 |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights Exercised (in dollars per share) | $ 3.41 |  |  |  |  |  |
Stock Issued During Period, Shares, Warrants Exercised (in shares) | 165,000 |  |  |  |  |  |
Proceeds from Warrant Exercises | $ 598,000 |  |  |  |  |  |
Proceeds From Warrant Exercises, Net | $ 520,000 |  |  |  |  |  |
Stock Repurchase Program [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Share Repurchase Program, Authorized, Amount |  |  |  |  |  |  | $ 500,000
Share Repurchase Program, Remaining Authorized, Amount |  |  |  |  |  |  | $ 500,000

X
- Definition Exercised price of warrants exercised during the period. + References No definition available. + Details
Name: | oblg_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsExercised
Namespace Prefix: | oblg_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants exercised during the period. + References No definition available. + Details
Name: | oblg_ClassOfWarrantOrRightExercised
Namespace Prefix: | oblg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition In reference to the amount of dividends converted into shares. + References No definition available. + Details
Name: | oblg_ConversionOfStockAmountOfDividendsConverted
Namespace Prefix: | oblg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants, net. + References No definition available. + Details
Name: | oblg_ProceedsFromWarrantExercisesNet
Namespace Prefix: | oblg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of new stock issued during the period due to warrants exercised. + References No definition available. + Details
Name: | oblg_StockIssuedDuringPeriodSharesWarrantsExercised
Namespace Prefix: | oblg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
Name: | srt_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
Name: | us-gaap_ConversionOfStockSharesConverted1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
Name: | us-gaap_ConversionOfStockSharesIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromWarrantExercises
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ConversionOfStockByUniqueDescriptionAxis=oblg_ConversionOfSeriesFPreferredStockToCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=oblg_CommonStockWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ShareRepurchaseProgramAxis=oblg_StockRepurchaseProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |