Consolidated Statements of Stockholders' Equity (Deficit) (Parentheticals) (Common Stock [Member])	Dec. 31, 2013	Dec. 31, 2012
Common Stock [Member]
Common stock, per share	$0.03 to $0.06	$0.05 to $0.165

Range amount per share or per unit of equity securities issued by non-development stage entity.

No definition available.

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Namespace Prefix:	mzei_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	instant