Note 3 - Loss per Share (Detail) - Basic And Diluted Loss Per Share Computation (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net loss attributable to Market Leader (in Dollars)	$ (1,943)	$ (2,961)	$ (6,611)	$ (10,151)
Weighted average common shares outstanding	26,099	25,273	25,761	25,169
Diluted shares	26,099	25,273	25,761	25,169
Net loss per share—basic and diluted (in Dollars per share)	$ (0.07)	$ (0.12)	$ (0.26)	$ (0.40)
Antidilutive equity-based awards	6,544	6,603	6,544	6,603
Unvested restricted stock units	719	657	719	657

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

- Definition

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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+ Details