Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash from operating activities
Net income	$ 1,983	$ 3,725
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,414	5,076
Amortization of operating lease right-of-use assets	1,053	942
Deferred income taxes	362	(4,281)
Stock-based compensation	959	1,552
Other	(38)	27
Changes in operating assets and liabilities:
Accounts receivable	(1,616)	(2,051)
Prepaid expenses and other current assets	(2,822)	(3,577)
Other assets	(148)	660
Accounts payable	(362)	100
Accrued employee expenses	(5,427)	(2,867)
Accrued expenses	726	1,580
Deferred revenue	693	268
Operating lease liabilities	784	(735)
Other liabilities	522	(124)
Net cash provided by operating activities	3,083	295
Cash from investing activities
Purchases of available-for-sale investments	(649)	0
Proceeds from sales of available-for-sale investments	13,942	1,750
Proceeds from maturities of available-for-sale investments	7,250	2,250
Purchases of property, equipment and intangible assets	(7,992)	(1,030)
Additions to capitalized software	(6,822)	(4,658)
Cash paid in business acquisition, net of cash acquired	0	(54,004)
Net cash provided by (used in) investing activities	5,729	(55,692)
Cash from financing activities
Proceeds from stock option exercises	97	90
Tax withholding for net share settlement	(6,458)	(1,315)
Payment of contingent consideration	(5,977)	0
Proceeds from issuance of debt	49,437	597
Principal payments on debt	(749)	(909)
Payment of debt issuance costs	0	(360)
Purchase of treasury stock	(4,194)	0
Net cash provided by (used in) financing activities	32,156	(1,897)
Net increase (decrease) in cash, cash equivalents and restricted cash	40,968	(57,294)
Cash, cash equivalents and restricted cash
Beginning of period	16,247	74,506
End of period	57,215	17,212
Noncash investing and financing activities
Purchases of property and equipment included in accounts payable and accrued expenses	4,251	445
Additions of capitalized software included in accrued and accrued employee expenses	687	391
Stock-based compensation capitalized for software development	406	338
Tax withholding for net share settlement included in accrued employee expenses	0	1,258
Purchase consideration for acquisitions included in other current liabilities	0	6,000
Total cash, cash equivalents and restricted cash	$ 57,215	$ 17,212