CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS [Abstract]
Net revenue	$ 18,736,669	$ 22,642,728
Operating expenses:
Cost of revenue	10,415,913	11,733,700
Selling and marketing	5,065,998	5,560,637
General and administrative	8,783,414	9,708,347
Research and development	2,128,610	1,321,897
Total operating expenses	26,393,935	28,324,581
Operating loss	(7,657,266)	(5,681,853)
Other income (expense):
Interest expense	(85,838)	(20,718)
Interest income	27	149
Other	(14,002)
Net loss	(7,757,079)	(5,702,422)
Unrealized gain (loss) on foreign currency translation	3,180	(73,217)
Comprehensive loss	$ (7,753,899)	$ (5,775,639)
Net loss per share - basic and diluted	$ (0.29)	$ (0.3)
Weighted-average shares - basic and diluted	26,742,345	19,124,806