Asset Purchase and Acquisition of a Business (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012
Revenues	$ 215	$ 269
Net loss	$ (5,871)	$ (2,106)
Loss per share of common stock	$ (1.04)	$ (1.00)
Basic and diluted	5,772,423	2,106,763

The pro forma basic & diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

No definition available.

+ Details

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Namespace Prefix:	mgt_
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Balance Type:	na
Period Type:	duration

- Definition

The pro forma basic & diluted number of shares for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

No definition available.

+ Details

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Namespace Prefix:	mgt_
Data Type:	xbrli:sharesItemType
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Period Type:	duration

- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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