18. Selected Quarterly Financial Information (Unaudited) (Detail) - (Table 1) Quarterly financial information (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Revenue	$ 1,131,518	$ 413,509	$ 571,749	$ 317,809	$ 1,102,008	$ 865,042	$ 874,469	$ 735,366	$ 2,434,585	$ 3,576,885
Cost of revenue (1)	1,124,568	644,619	611,649	495,297	569,459	592,302	430,230	298,390	2,401,729	1,890,381
General and administrative (1)	(350,691)	1,001,123	1,176,185	1,388,400	1,306,112	1,519,826	1,493,265	1,118,632	4,025,245	5,437,835
Sales and marketing (1)	417,239	439,808	332,097	709,937	359,332	344,502	312,267	344,082	1,809,434	1,360,183
Engineering, research and development (1)	919,262	1,211,142	1,103,691	776,897	380,605	400,647	342,356	333,282	3,764,816	1,456,890
Loss from Operations	(978,861)	(2,883,183)	(2,651,873)	(3,052,722)	(1,513,500)	(1,992,235)	(1,703,649)	(1,359,020)	(9,566,639)	(6,568,404)
Net Loss	$ (1,042,306)	$ (3,059,137)	$ (2,338,538)	$ (3,380,644)	$ (2,578,676)	$ (2,329,419)	$ (2,210,339)	$ (1,935,330)	$ (9,820,625)	$ (9,053,764)
Net loss per common share (in Dollars per share)	$ (0.13)	$ (0.38)	$ (0.30)	$ (0.43)	$ (1.19)	$ (1.08)	$ (4.21)	$ (0.89)	$ (1.23)	$ (7.37)