Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 3,043,028	$ 3,586,954
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	1,180,899	461,590
Depreciation and amortization expense	1,330,238	1,439,778
Provision (recovery) for doubtful accounts	58,595	(193)
Disposal of property and equipment	500
Gain on insurance settlement		(517,930)
Changes in operating assets and liabilities:
Decrease (increase) in settlement assets	498,553	(244,451)
Decrease in accounts receivables, prepaid expenses and other current assets	358,980	1,529,933
Decrease (increase) in other long-term assets	287,923	(181,213)
(Decrease) increase in accounts payable and accrued expenses	(3,540,524)	239,331
(Decrease) increase in due to merchants	(438,099)	240,034
Other	(26,219)	(53,259)
Net cash provided by operating activities	2,753,874	6,500,574
Cash flows from investing activities:
Increase (decrease) in restricted cash	(9,629)	11,506
Increase (decrease) in merchant reserves	9,684	(131,599)
Purchase of property and equipment	(109,555)	(168,282)
Capitalized software development	(677,822)	(593,946)
Purchase of intangible assets	(353)	(13,454)
Net cash used for investing activities	(787,675)	(895,775)
Cash flows from financing activities:
Proceeds from issuance of common stock	1,965,380	22,949
Principal payments on capital lease obligations	(193,002)	(287,168)
Borrowings under credit facility	13,916,000
Repayments under credit facility	(4,000,000)
Purchase of treasury stock	(17,843,447)	(1,647,211)
Net cash used for financing activities	(6,155,069)	(1,911,430)
Net (decrease) increase in cash and cash equivalents	(4,188,870)	3,693,369
Cash and cash equivalents at beginning of period	14,675,515	9,837,791
Cash and cash equivalents at end of period	10,486,645	13,531,160
Cash paid for:
Interest	14,718	30,785
Income taxes	504,398	395,294
Non-cash investing and financing activities:
Common stock issued for preferred stock conversion	21,629
Common stock issued for stock options exercised	98
Assets acquired under capital leases	122,630	79,291
Accrued capitalized hardware, software and fixed assets	63,291	12,071
Capitalized stock-based compensation	$ 14,018	$ 20,015