Selected Balance Sheet Accounts (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 17, 2010	Aug. 16, 2010
Property and Equipment [Abstract]
Computer software and hardware and capitalized internal use software	$ 11,729,000	$ 12,035,000
Furniture and equipment	1,252,000	1,272,000
Leasehold improvements	892,000	942,000
Total	13,873,000	14,249,000
Less - Accumulated depreciation and amortization	(12,280,000)	(12,620,000)
Property and equipment, net	1,593,000	1,629,000
Capitalized internal use software, net of amortization	800,000	900,000
Depreciation and amortization expense related to property and equipment	800,000	700,000
Cost of revenues	200,000	100,000
Operating expenses	600,000	600,000
Investments [Abstract]
Cost method investment ownership percentage (in hundredths)				5.00%
Investments recorded at cost				1,000,000
Additional investments acquired		16,737
Amount received for initial merger consideration recorded as a reduction in investment		823,000
Intangible Assets [Abstract]
Intangible assets, net	1,539,000	2,893,000
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net	1,531,000
Amortization expense for the remainder of the year and for the next four years [Abstract]
2013	1,036,000
2014	284,000
2015	208,000
2016	3,000
2017	0
Total	1,531,000
Goodwill [Abstract]
Goodwill	11,677,000	11,677,000	11,700,000
Accrued expenses and other current liabilities [Abstract]
Compensation and related costs	2,006,000	2,084,000
Professional fees and other accrued expenses	2,847,000	2,221,000
Amounts due to customers	149,000	180,000
Other current liabilities	375,000	509,000
Total accrued expenses and other current liabilities	5,377,000	4,994,000
Debt Instrument [Line Items]
Annual interest rate (in hundredths)			6.00%
Note maturity date	Sep. 30, 2015
Date after which notes can be converted	Sep. 30, 2013
Minimum share increments (in shares)	40,000
Conversion price (in dollars per share)			$ 4.65
Interest payable on note in case of default (in hundredths)	8.00%
Trademarks/trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	5 years
Intangible Assets, Gross	5,540,000
Intangible Assets, Accumulated Amortization	(5,023,000)
Intangible Assets, Net	517,000
Amortization expense for the remainder of the year and for the next four years [Abstract]
Total	517,000
Software and publications [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	3 years
Intangible Assets, Gross	1,300,000
Intangible Assets, Accumulated Amortization	(992,000)
Intangible Assets, Net	308,000
Amortization expense for the remainder of the year and for the next four years [Abstract]
Total	308,000
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	3 years
Intangible Assets, Gross	1,870,000
Intangible Assets, Accumulated Amortization	(1,427,000)
Intangible Assets, Net	443,000
Amortization expense for the remainder of the year and for the next four years [Abstract]
Total	443,000
Employment/non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	5 years
Intangible Assets, Gross	500,000
Intangible Assets, Accumulated Amortization	(229,000)
Intangible Assets, Net	271,000
Amortization expense for the remainder of the year and for the next four years [Abstract]
Total	$ 271,000