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Summary of Grants Receivable Activity (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Accounting Policies [Abstract] |  |
Balance at beginning of period | $ 882,319 | $ 809,532
Grant costs expensed | 674,158 | 766,867
Grants for equipment purchased | 6,379 |
Grant fees | 28,163 | 26,673
Grant funds received | (479,408) | (590,418)
Balance at end of period | $ 1,111,611 | $ 1,012,654

X
- Definition Amount of grant costs expensed. + References No definition available. + Details
Name: | MDBH_GrantCostsExpensed
Namespace Prefix: | MDBH_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of grant fees. + References No definition available. + Details
Name: | MDBH_GrantFees
Namespace Prefix: | MDBH_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of grant funds received. + References No definition available. + Details
Name: | MDBH_GrantFundsReceived
Namespace Prefix: | MDBH_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of grants for equipment purchased. + References No definition available. + Details
Name: | MDBH_GrantsForEquipmentPurchased
Namespace Prefix: | MDBH_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_GrantsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant