13. Equity (Detail) - (Table 1) Table of Stock-Based Compensation Expense (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Share Based Compensation Expense	$ 1,795,794	$ 2,154,546
Cost of Revenue [Member]
Share Based Compensation Expense	13,698	12,186
General and Administrative Expense [Member]
Share Based Compensation Expense	979,547	1,479,356
Selling and Marketing Expense [Member]
Share Based Compensation Expense	88,282	368,904
Research and Development Expense [Member]
Share Based Compensation Expense	$ 714,267	$ 294,100