No definition available.

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Namespace Prefix:	MCMJU_
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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Period Type:	instant

- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

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Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares of stock issued attributable to transactions classified as other.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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- Details

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Data Type:	na
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- Details

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Private Placement (Details) - USD ($)				3 Months Ended
Private Placement (Details) - USD ($)	Nov. 14, 2019	Nov. 13, 2019	Nov. 07, 2019	Sep. 30, 2019
Private Placement (Textual)
Stock price				$ 10.00
Generating gross proceeds				$ 3,412,939
Common Stock [Member]
Private Placement (Textual)
Warrants to purchase, exercise price				$ 11.50
Subsequent Event [Member]
Private Placement (Textual)
Generating gross proceeds			$ 120,000,000
Private Placement [Member]
Private Placement (Textual)
Stock price				$ 1.00
Aggregate purchase shares				3,750,000
Aggregate purchase price				$ 3,750,000
Private Placement [Member] \| Subsequent Event [Member]
Private Placement (Textual)
Stock price	$ 1.00	$ 1.00	$ 1.0
Aggregate purchase shares	200,311		3,750,000
Aggregate purchase price	$ 200,311		$ 3,750,000
Sale of additional stock issued		200,311