NOTES PAYABLE - Unsecured notes payable (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Notes payable:
Unsecured Debt	$ 314,064	$ 131,126
Less discount	(3,185)	0
Unsecured Debt Current And Noncurrent	310,879	131,126
Less current portion	(310,879)	(131,126)
Notes payable - unsecured, net of current portion	0	0
Unsecured Note June 8, 2018 [Member]
Notes payable:
Unsecured Debt	0	31,126
Unsecured Note, October 2, 2019 [Member]
Notes payable:
Unsecured Debt	75,576	0
Unsecured Note August 10 2018 [Member]
Notes payable:
Unsecured Debt	44,559	65,000
Unsecured Advances from Momentum Water Transfer Service LLC [Member]
Notes payable:
Unsecured Debt	35,000	35,000
Unsecured Note with Vendor October 2019 [Member]
Notes payable:
Unsecured Debt	85,375	0
Unsecured Note, October 1, 2019 [Member]
Notes payable:
Unsecured Debt	$ 73,554	$ 0

Amount of unsecured discount for the debt instrument.

No definition available.

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Namespace Prefix:	smgi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying amount of unsecured debt including both current and non current portion.

+ References

No definition available.

+ Details

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Namespace Prefix:	smgi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

+ Details

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

- Definition

Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- Definition

Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

+ Details

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

- References

No definition available.

+ Details

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

- Details

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- Details

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Period Type:

- Details

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Period Type:

- Details

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- Details

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