Condensed Consolidated Statement of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities
Net income	$ 15,788	$ 3,157
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,822	5,198
Amortization of debt issuance costs	108
Amortization of debt discount		67
Write off of debt issuance costs		4,051
Net loss on disposition of property and equipment	15
Stock-based compensation expense	1,721	362
Employee stock purchase plan compensation expense	86
Net change in derivative liability		(1,107)
Deferred taxes, net	(1,514)	1,414
Changes in operating assets and liabilities:
Accounts receivable	(592)	237
Prepaid expenses	(474)	(94)
Inventory	245	195
Deposits and other assets	(336)	(145)
Accounts payable	(850)	(3,044)
Income taxes, net	2,543	298
Accrued commissions and bonuses	(571)	(1,030)
Accrued payroll and vacation	2,524	(422)
Deferred revenue	6,649	4,662
Accrued expenses and other current liabilities	1,965	(498)
Net cash provided by operating activities	34,129	13,301
Cash flows from investing activities
Decrease in funds held for clients	44,662	62,146
Decrease in restricted cash	371	1
Purchases of property and equipment	(10,150)	(11,948)
Net cash provided by investing activities	34,883	50,199
Cash flows from financing activities
Proceeds from issuance of long-term debt		6,539
Principal payments on long-term debt	(897)	(65,442)
Decrease in client funds obligation	(44,662)	(62,146)
Proceeds from initial public offering, net of offering costs		62,843
Payment of debt issuance costs	(50)
Capital impact of reorganization		(183)
Net cash used in financing activities	(45,609)	(58,389)
Change in cash and cash equivalents	23,403	5,111
Cash and cash equivalents
Beginning of period	25,144	13,362
End of period	$ 48,547	$ 18,473