Stockholders' Deficit (Details Textual)	Jun. 30, 2012 Vote	Nov. 14, 2011
Stockholders Deficit (Textual) [Abstract]
Reverse stock split ratio		8
Common stock votes per share number	1

This item represents the conversion ratio used in the calculation of a reverse stock split.

No definition available.

Name:	mgi_StockholdersEquityReverseStockSplitConversionRatio
Namespace Prefix:	mgi_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant