Cost of Revenue (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cost of revenue [Abstract]
Software service costs	$ 63,600	$ 73,000
Software service costs, changes	(9,400)
Software service costs, changes (in hundredths)	(12.90%)
Software product costs	48,200	65,500
Software product costs, changes	(17,300)
Software product costs, changes (in hundredths)	(26.40%)
Cost of revenue	111,800	138,500
Cost of revenue, changes	$ (26,700)
Cost of revenue changes, in (hundredths)	(19.30%)