Consolidated Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue:
Net revenue	$ 43,578,016	$ 41,858,166	$ 30,553,164
Cost of revenue:
Payment processing service fees	10,943,290	11,677,012	10,051,640
Processing and service costs	11,010,778	9,093,674	6,980,981
Software licenses impairment			1,108,514
Total cost of revenue	21,954,068	20,770,686	18,141,135
Selling, general and administrative expenses	25,865,652	18,152,014	14,304,448
Total operating expenses	47,819,720	38,922,700	32,445,583
(Loss) income from operations	(4,241,704)	2,935,466	(1,892,419)
Other (expense) income:
Interest expense	(55,987)	(319,098)	(1,169,578)
Interest income	1,236	1,582	429
Other (expense) income, net	(8,739)	98,682
Total other expense, net	(63,490)	(218,834)	(1,169,149)
(Loss) income from operations before provision for income taxes	(4,305,194)	2,716,632	(3,061,568)
Provision for income taxes	(147,111)	(331,903)	(3,219)
Net (loss) income	$ (4,452,305)	$ 2,384,729	$ (3,064,787)
Basic net (loss) income per share applicable to common stockholders (in dollars per share)	$ (0.09)	$ 0.04	$ (0.08)
Diluted net (loss) income per share applicable to common stockholders (in dollars per share)	$ (0.09)	$ 0.04	$ (0.08)
Weighted average common stock outstanding (basic) (in shares)	52,187,144	49,348,033	40,431,073
Weighted average common stock outstanding (diluted) (in shares)	52,187,144	52,167,492	40,431,073