Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Sep. 17, 2010	Aug. 16, 2010
Restricted Cash [Abstract]
Certificate of deposit	$ 400,000
Investment [Line Items]
Equity Interest in Driverside Inc (in hundredths)					5.00%
Investments acquired					1,000,000
Additional investments acquired		16,737
Number of Series C preferred shares received for investment (in shares)			1,352,082
Cash payment received		823,000
Concentration Risk [Line Items]
Percentage of concentration of credit risk (in hundredths)	26.00%
Number of customers	3
Gross accounts receivable	2,000,000
Basic Shares: [Abstract]
Weighted average common shares outstanding (in shares)	9,229,817	9,203,649
Stock Repurchased During Period, Shares	(233,998)	0
Weighted average unvested restricted stock (in shares)	0	(10,102)
Basic shares (in shares)	8,995,819	9,193,547
Dilutive Shares: [Abstract]
Basic shares (in shares)	8,995,819	9,193,547
Weighted average dilutive securities (in shares)	207,709	342,680
Dilutive Shares (in shares)	9,203,528	9,536,227
Potentially dilutive securities (in shares)	2,500,000	2,300,000
Number of reportable segments	1
Advertising Expense	1,200,000	800,000
Number of financial institutions maintaining cash and cash equivalents	2
Contingencies [Abstract]
Accrued Liability related to sales tax audit		175,000
Fair Value of Financial Instruments [Abstract]
Date of acquisition	Sep. 17, 2010		Sep. 17, 2010
Contingent consideration				1,000,000
Fair value of contingent consideration				526,000
Increase in fair value of contingent consideration	155,000
Property and Equipment [Abstract]
Estimated useful lives of property and equipment	3 years
Impairment of Long-Lived Assets [Abstract]
Intangible assets, net	1,539,000	2,893,000
Goodwill [Abstract]
Goodwill	11,677,000	11,677,000		11,700,000
Income Taxes [Abstract]
Amortizing tax basis goodwill				10,300,000
Amortization period for tax basis goodwill				15 years
Deferred Tax Liability	$ 620,000	$ 354,000
Minimum [Member] | Software Development [Member]
Capitalized Internal Use Software and Website Development Costs [Abstract]
Estimated useful life of software development costs	3 years
Maximum [Member] | Software Development [Member]
Capitalized Internal Use Software and Website Development Costs [Abstract]
Estimated useful life of software development costs	5 years