Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2015

Summary of Significant Accounting Policies [Abstract]

Schedules of Concentration of Risk, by Risk Factor

The following table reflects customers that accounted for more than 10% of net accounts receivable: 

	June 30,			December 31,
	2015			2014
Company 1		11	%		10	%
Company 2		**			12	%
Company 3		**			24	%
Company 4		**			13	%
** Less than 10%

Schedule Of Property And Equipment Estimated Useful Lives

Property and equipment are stated at cost, except when an impairment analysis requires the use of fair value, and depreciated using the straight-line method over the estimated useful lives of the assets as follows:

Computer equipment	3 to 4 years
Furniture and fixtures	5 to 7 years
Software	2 to 3 years
Building Improvements	10 years
Building	39 years

Net Revenue [Member]

Summary of Significant Accounting Policies [Abstract]

Schedules of Concentration of Risk, by Risk Factor

The following table reflects the concentration of revenue by geographic locations that accounted for more than 10% of net revenue: 

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
United States		96	%		92	%		94	%		93	%
Europe, Middle East and Africa		**			**			**			**
** Less than 10%

The following table reflects the percentage of revenue attributed to customers who accounted for more than 10% of net revenue. 

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Company 1		18	%		13	%		12	%		12	%
Company 2		**			10	%		**			11	%
Company 3		**			10	%		**			**
** Less than 10%

Traffic Acquisition Costs [Member]

Summary of Significant Accounting Policies [Abstract]

Schedules of Concentration of Risk, by Risk Factor

The Company derives its revenue primarily from its relationships with significant distribution network partners. The following table reflects the distribution partners that accounted for more than 10% of total TAC: 

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Distribution Partner 1		11	%		20	%		15	%		32	%
Distribution Partner 2		11	%		19	%		10	%		28	%
Distribution Partner 3		10	%		22	%		**			21	%
Distribution Partner 4		**			**			**			**
** Less than 10%

Advertiser Networks and Publisher Solutions [Member]

Summary of Significant Accounting Policies [Abstract]

Schedules of Concentration of Risk, by Risk Factor

LookSmart derives its revenue from two service offerings, or “products”: Advertiser Networks and Publisher Solutions. The percentage distributions between the two service offerings are as follows: 

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Advertiser Networks		100	%		88	%		100	%		91	%
Publisher Solutions		0	%		12	%		0	%		9	%