REDEEMABLE PREFERRED STOCK AND CHANGES IN STOCKHOLDERS' EQUITY [Parenthetical] (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Exercise Of Warrants Price Per Share One	$ 3.85mgt_ExerciseOfWarrantsPricePerShareOne
Exercise Of Warrants Price Per Share Two	$ 3mgt_ExerciseOfWarrantsPricePerShareTwo
Proceeds From Issuance Of Common Stock	$ 100

The cash inflow from the additional capital contribution to the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration