XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.23.1

Note 6 - Business Acquisitions (Details Textual) - USD ($) | Nov. 21, 2022 | Apr. 01, 2022 | Mar. 31, 2023
--- | --- | --- | ---
Minimum [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  | 2 years
Minimum [Member] | Assets Acquired from Acquisition [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  | 2 years
Maximum [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  | 50 years
Maximum [Member] | Assets Acquired from Acquisition [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  | 15 years
InfoWest, Inc. (“InfoWest”) and Go Fiber LLC (“Go Fiber”) [Member] |  |  |
Business Combination, Consideration Transferred, Total |  | $ 48,573,149 |
Business Combination, Consideration Transferred, Cash, Percentage |  | 80.00% |
Business Combination, Consideration Transferred, Equity Issued, Percentage |  | 20.00% |
InfoWest, Inc. (“InfoWest”) and Go Fiber LLC (“Go Fiber”) [Member] | Customer Relationships [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 10 years |
InfoWest, Inc. (“InfoWest”) and Go Fiber LLC (“Go Fiber”) [Member] | Trade Names [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 20 years |
Elevation Outdoor Advertising [Member] |  |  |
Business Combination, Consideration Transferred, Total | $ 14,239,257 |  |
Elevation Outdoor Advertising [Member] | Customer Relationships [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 15 years |  |
Elevation Outdoor Advertising [Member] | Permits [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 10 years |  |

X
- Definition The perentage of cash to total consideration paid for business combination. + References No definition available. + Details
Name: | boc_BusinessCombinationConsiderationTransferredCashPercentage
Namespace Prefix: | boc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The precentage of equity issued to total consideration in a business combination. + References No definition available. + Details
Name: | boc_BusinessCombinationConsiderationTransferredEquityIssuedPercentage
Namespace Prefix: | boc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-7 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=boc_AssetsAcquiredFromAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=boc_InfowestIncInfowestAndGoFiberLlcGoFiberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=boc_ElevationOutdoorAdvertisingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=boc_PermitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |