Asset purchases and acquisitions of businesses (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Mgt [Member]
Business Acquisition [Line Items]
Revenues	$ 1,056	$ 396
Net loss	(5,330)	(10,202)
Loss per share of Common stock (in dollars per share)	$ (0.56)	$ (1.84)
Basic and diluted (in shares)	9,493,057	5,590,620
FanTD [Member]
Business Acquisition [Line Items]
Revenues		62
Net loss		(336)
Loss per share of Common stock (in dollars per share)		$ 0
Basic and diluted (in shares)		0
Avcom [Member]
Business Acquisition [Line Items]
Revenues		110
Net loss		125
Loss per share of Common stock (in dollars per share)		$ 0
Basic and diluted (in shares)		0
DraftDay [Member]
Business Acquisition [Line Items]
Revenues	192	1,190
Net loss	(240)	(1,007)
Loss per share of Common stock (in dollars per share)	$ 0	$ 0
Basic and diluted (in shares)	0	0
Pro Forma [Member]
Business Acquisition [Line Items]
Revenues	1,248	1,758
Net loss	$ 5,570	$ (11,420)
Loss per share of Common stock (in dollars per share)	$ (0.56)	$ (1.84)
Basic and diluted (in shares)	9,493,057	5,590,620

The pro forma basic and 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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- Definition

The pro forma basic and 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.

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

+ References

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