XML 18 R7.htm IDEA: XBRL DOCUMENT v3.21.4

Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)	12 Months Ended
	Sep. 30, 2021 $ / shares
Statement of Stockholders' Equity [Abstract]
Exchange rate per share	$ 1.2213

X

- Definition

Exchange rate per share.

+ References

No definition available.

+ Details

Name:	mgyr_ExchangeRatePerShare
Namespace Prefix:	mgyr_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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