For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Summary of Significant Accounting Policies (Details 4) (USD $)	3 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Intangible assets
Non-cash impairment charge of intangible assets	$ 1,400,000		$ 0	$ 0
Research and Development Costs
Research and development costs		290,000	431,000	567,000
Hospitality
Intangible assets
Non-cash impairment charge of intangible assets	1,400,000
Minimum
Intangible assets
Useful lives of the intangible assets		2 years
Maximum
Intangible assets
Useful lives of the intangible assets		20 years
Hotel contracts and relationships \| Minimum
Intangible assets
Useful lives of the intangible assets		10 years
Hotel contracts and relationships \| Maximum
Intangible assets
Useful lives of the intangible assets		20 years
Tradenames
Intangible assets
Useful lives of the intangible assets		7 years
Acquired technologies, rights and patents \| Minimum
Intangible assets
Useful lives of the intangible assets		2 years
Acquired technologies, rights and patents \| Maximum
Intangible assets
Useful lives of the intangible assets		10 years
Content agreements and relationships
Intangible assets
Useful lives of the intangible assets		4 years
Internal use software
Intangible assets
Capitalized costs		6,000,000	3,600,000	3,300,000
Amortization		2,500,000	2,200,000	2,800,000
Software for sale
Intangible assets
Capitalized costs		286,000	459,000	613,000
Amortization		$ 480,000	$ 567,000	$ 415,000