Selected Balance Sheet Accounts (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Sep. 17, 2010
Property and Equipment [Abstract]
Computer software and hardware and capitalized internal use software	$ 11,927,000		$ 11,729,000
Furniture and equipment	1,252,000		1,252,000
Leasehold improvements	892,000		892,000
Total	14,071,000		13,873,000
Less - Accumulated depreciation and amortization	(12,483,000)		(12,280,000)
Property and equipment, net	1,588,000		1,593,000
Concentration of Credit Risk and Risks Due to Significant Customers [Abstract]
Number of high credit quality financial institutions	2
Percentage of concentration of credit risk (in hundredths)	25.00%	32.00%
Gross accounts receivable	4,400,000	4,000,000
Number of customers	3	3
Intangible Assets [Abstract]
Intangible assets, net	1,204,000		1,539,000	4,500,000
Amortization expense for the remainder of the year and for the next four years [Abstract]
Number of years for which amortization expense is shown (in years)	P4Y
2013	700,000
2014	284,000
2015	208,000
2016	3,000
2017	0
Total	1,195,000
Goodwill [Abstract]
Goodwill	11,677,000		11,677,000
Accrued expenses and other current liabilities [Abstract]
Compensation and related costs and professional fees	1,135,000		2,006,000
Other accrued expenses	2,691,000		2,847,000
Amounts due to customers	155,000		149,000
Other current liabilities	316,000		375,000
Total accrued expenses and other current liabilities	4,297,000		5,377,000
Debt Instrument [Line Items]
Convertible note payable	5,000,000		5,000,000
Fair value of note				$ 5,900,000
Market yield (in hundredths)	15.00%
Stock price volatility (in hundredths)	77.50%
Interest is payable at an 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 into which the notes can be converted (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
Software and publications [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	3 years
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	3 years
Employment/non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	5 years