Selected Balance Sheet Accounts (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Property and Equipment
Computer software and hardware and capitalized internal use software	$ 12,232	$ 11,924
Furniture and equipment	1,265	1,256
Leasehold improvements	937	937
Property and equipment, gross	14,434	14,117
Less - Accumulated depreciation and amortization	(12,758)	(12,569)
Property and equipment, net	$ 1,676	$ 1,548	[1]

[1] Amounts were derived from audited financial statements