Segment information (Tables)

12 Months Ended

Dec. 31, 2016

Segment information

Schedule of revenue by segment and geographical region and reconciliations to consolidated revenue and gross profit

	Year ended December 31,
	2016		2015		2014
Net Revenue:
APAC	$	16,196,244	$	16,265,076	$	16,621,147
The Americas		10,180,218		7,162,346		6,893,337
EMEA		7,711,501		10,036,017		7,439,601
Total multi-currency processing services revenue		34,087,963		33,463,439		30,954,085
Payment processing services revenue		20,249,444		19,351,649		16,414,654
Net revenue	$	54,337,407	$	52,815,088	$	47,368,739
Gross Profit:
APAC	$	16,095,147	$	16,136,562	$	16,513,492
The Americas		9,515,560		6,725,223		6,733,037
EMEA		6,217,730		6,879,321		5,662,081
Total multi-currency processing services gross profit		31,828,437		29,741,106		28,908,610
Payment processing services gross profit		9,799,438		8,447,989		6,010,975
Total reportable segment gross profit		41,627,875		38,189,095		34,919,585
Corporate allocated cost of sales		10,441,825		11,138,471		11,437,807
Total gross profit	$	31,186,050	$	27,050,624	$	23,481,778
Income from operations before benefit (provision) for income taxes:
Total gross profit	$	31,186,050	$	27,050,624	$	23,481,778
Selling, general and administrative expenses		20,860,469		20,408,308		18,370,691
Restructuring charges		504,141		283,726		1,227,204
Income from operations		9,821,440		6,358,590		3,883,883
Interest expense		(273,873)		(57,575)		(65,122)
Interest income		1,763		1,579		2,212
Other income		93,016		89,494		139,875
Total other (expense) income, net		(179,094)		33,498		76,965
Income from operations before benefit (provision) for income taxes	$	9,642,346	$	6,392,088	$	3,960,848

Schedule of concentration of revenue by customer by geographical region

	Year ended December 31,
	2016		2015		2014
Multi-currency processing services revenue:
APAC:
Customer A	57	%	58	%	61	%
The Americas:
Customer D	21		12		20
Customer E	*		12		17
Customer F	*		18		23
Customer I	12		*		**
Customer J	11		*		*
EMEA:
Customer C	60		42		60
Customer H	35		58		40

*            Less than 10% revenue concentration.

**          New customer in 2015.