Stock-Based Compensation (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Stock-based compensation	$ 29,577	$ 143,945	$ 269,532	$ 457,763
Cost of service revenues [Member]
Stock-based compensation	12,909	18,039	38,123	44,796
Research and development [Member]
Stock-based compensation	12,392	17,110	48,288	59,622
Sales and marketing [Member]
Stock-based compensation	2,789	2,851	8,612	7,109
General and administrative [Member]
Stock-based compensation	$ 1,487	$ 105,945	$ 174,509	$ 346,236