Name:	MDBH_CashSIPCInsuredAmount
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Clearing deposits.

No definition available.

Name:	MDBH_ClearingDepositsCurrent
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Amount of grant costs expensed.

No definition available.

Name:	MDBH_GrantCostsExpensed
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Period Type:	duration

Grant drawdowns.

No definition available.

Name:	MDBH_GrantDrawdowns
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Prepaid professional fees.

No definition available.

Name:	MDBH_PrepaidProfessionalFees
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Research and development expense gross.

No definition available.

Name:	MDBH_ResearchAndDevelopmentExpenseGross
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Balance Type:	debit
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Amount of cash subject to withdrawal restrictions, restricted deposits held as compensating balances, and cash and securities segregated in compliance with regulations (such as cash deposited in a special reserve account for the exclusive benefit of customers).

No definition available.

Name:	us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations
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Cash and securities deposited in a special reserve account for the exclusive benefit of customers.

No definition available.

Name:	us-gaap_CashAndSecuritiesSegregatedUnderSecuritiesExchangeCommissionRegulation
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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

No definition available.

Name:	us-gaap_CashFDICInsuredAmount
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Contractual interest rate for funds borrowed, under the debt agreement.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

Name:	us-gaap_Deposits
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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Period Type:	instant

Amount of the fee for available but unused credit capacity under the credit facility.

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Period Type:	duration

Date the credit facility terminates, in YYYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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-Topic 470
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-Subparagraph (SX 210.4-08(f))
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of assets classified as other.

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-Topic 280
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Name:	us-gaap_OtherAssets
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

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-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
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-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.5-03(3))
-Publisher FASB
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Name:	us-gaap_OtherCostAndExpenseOperating
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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

Name:	us-gaap_PrepaidExpenseAndOtherAssetsCurrent
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The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

Name:	us-gaap_SecurityDeposit
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Amount of unrealized gain (loss) on investment.

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