Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 1,760,305	$ 1,711,626
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	603,968	233,462
Depreciation and amortization expense	608,990	725,173
Provision (recovery) for doubtful accounts	57,328	(1,007)
Gain on insurance settlement		(517,930)
Changes in operating assets and liabilities:
Decrease in settlement assets	117,192	486,539
Increase in accounts receivables, prepaid expenses and other current assets	(493,038)	(436,702)
Decrease (increase) in other long-term assets	124,786	(47,230)
(Decrease) increase in accounts payable and accrued expenses	(215,331)	454,979
Decrease in due to merchants	(120,449)	(487,255)
Other	34,365	(81,947)
Net cash provided by operating activities	2,478,116	2,039,708
Cash flows from investing activities:
Decrease in restricted cash	2,038	119
Decrease in merchant reserves	(1,990)	(96)
Purchase of property and equipment	(60,746)	(123,817)
Capitalized software development	(288,162)	(287,223)
Purchase of intangible assets		(5,888)
Net cash used for investing activities	(348,860)	(416,905)
Cash flows from financing activities:
Proceeds from issuance of common stock	772,813
Principal payments on capital lease obligations	(106,528)	(146,905)
Purchases of treasury stock	(3,621,505)
Net cash used for financing activities	(2,955,220)	(146,905)
Net (decrease) increase in cash and cash equivalents	(825,964)	1,475,898
Cash and cash equivalents at beginning of period	14,675,515	9,837,791
Cash and cash equivalents at end of period	13,849,551	11,313,689
Cash paid for:
Interest	8,544	18,837
Income taxes	295,589	199,364
Non-cash investing and financing activities:
Common stock issued for stock options exercised	98
Assets acquired under capital leases	98,988	79,291
Accrued capitalized hardware, software and fixed assets	30,667	38,609
Capitalized stock-based compensation	$ 6,366	$ 10,711