Software Development Costs (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Capitalized Development Costs [Line Items]
Capitalized software amortization	$ 704,000	$ 813,000	$ 978,000
Software Development [Member]
Capitalized Development Costs [Line Items]
Capitalized software development costs	3,641,000	3,226,000
Accumulated depreciation	(1,215,000)	(1,411,000)
Software development costs, net	2,426,000	1,815,000
Total capitalized software development cost	$ 1,300,000	$ 838,000	$ 903,000