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NTN BUZZTIME, INC TRANSACTION, Rights Offering (Details) - NTN Buzztime, Inc [Member] - USD ($) | 1 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 25, 2021
Rights Offering [Abstract] |  |
Cash and cash equivalents obligated to have under merger agreement |  | $ 10,000,000
Beneficial holders contractual commitments to invest |  | $ 10,000,000
Percentage of additional rights offering | 5.00% |
Proceeds from right offering | $ 5,000,000 |

X
- Definition Amount of contractual commitment made by beneficial holders to invest in the entity. + References No definition available. + Details
Name: | btx_BeneficialHoldersContractualCommitmentsToInvest
Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cash and cash equivalents obligated to maintain under merger agreement on balance sheet at the effective time of the merger. + References No definition available. + Details
Name: | btx_ObligatedToMaintainCashAndCashEquivalentsUnderMergerAgreement
Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of additional right offering made by the entity for unit holders. + References No definition available. + Details
Name: | btx_PercentageOfAdditionalRightsOffering
Namespace Prefix: | btx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the sale of rights during the period. + References No definition available. + Details
Name: | btx_ProceedsFromSaleOfRights
Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | btx_RightsOfferingAbstract
Namespace Prefix: | btx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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