Number of additional common stock outstanding owned by related party.

No definition available.

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- Definition

Percentage of common stock shares outstanding owned by related party.

+ References

No definition available.

+ Details

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Namespace Prefix:	meg_
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- Definition

Amount for accounts payable to related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
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- Definition

Number of shares of common stock issued as dividends during the period. Excludes stock splits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Costs of sales and operating expenses for the period incurred from transactions with related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section S99
-Paragraph 2
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- Definition

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.

+ References

No definition available.

+ Details

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- Details

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Related-Party Transactions - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Related Party Transaction [Line Items]
Amount due to related party	$ 0		$ 0		$ 0
Number of shares issued as dividend payment	1,786,739
Number of additional common stock outstanding owned by related party	2,534,239		2,534,239
Percentage of common stock shares outstanding owned by related party	17.30%		17.30%
Acquisition Targets \| Selling, General and Administrative Expense
Related Party Transaction [Line Items]
Payment to related party	$ 0	$ 100,000	$ 100,000	$ 400,000