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Balance Type:	debit
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- References

No definition available.

Name:	MAGE_RepaymentsToThirdParties
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Data Type:	xbrli:monetaryItemType
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Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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Name:	us-gaap_ConvertibleNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The price per share of the conversion feature embedded in the debt instrument.

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Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Contractual interest rate for funds borrowed, under the debt agreement.

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Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Amount of principal of debt repaid.

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Amount of debt discount to be amortized within one year or within the normal operating cycle, if longer.

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-Topic 835
-SubTopic 30
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Name:	us-gaap_DebtInstrumentUnamortizedDiscountCurrent
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Amount, after tax, of interest recognized on convertible debt instrument excluding interest on principal required to be paid in cash.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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

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Name:	us-gaap_InterestPayableCurrentAndNoncurrent
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Balance Type:	credit
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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

Name:	us-gaap_NotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long-term notes payable classified as other.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.

Name:	us-gaap_ShortTermDebtLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_LongtermDebtTypeAxis=MAGE_UnsecuredPromissoryNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleNotesPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_SecuritiesFinancingTransactionAxis=MAGE_Series2019AUnsecuredConvNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LongtermDebtTypeAxis=MAGE_Series2020AUnsecuredConvertibleNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: