Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
OPERATING ACTIVITIES:
Net income	$ 20,007	$ 15,213	$ 12,091
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	41,243	41,076	37,945
Stock-based compensation	4,470	4,153	3,554
Amortization of deferred commissions	12,480	11,495	10,599
Provision for credit losses	2,595	1,021	385
Deferred income taxes	(1,114)	(1,725)	710
Gain on disposal of fixed assets	0	0	(25)
Loss on equity method investments	230	384	747
Change in fair value of non-marketable equity investments	0	(425)	(3,596)
Other	(1,639)	(891)	3
Changes in operating assets and liabilities:
Accounts and unbilled receivables	(537)	(3,243)	7,770
Prepaid royalties	655	(1,131)	84
Other prepaid expenses and other current assets	(1,371)	(1,243)	2,329
Deferred commissions	(15,451)	(14,852)	(14,931)
Other assets	(258)	328	208
Accounts payable and accrued expenses	(5,027)	4,825	3,742
Accrued royalties	633	(887)	406
Deferred revenue	(330)	3,386	4,707
Net cash provided by operating activities	57,660	63,970	51,188
INVESTING ACTIVITIES:
Cash paid for acquisitions, net of cash acquired	(1,299)	(6,621)	(3,965)
Proceeds from maturities of marketable securities	69,150	28,250	10,625
Purchases of marketable securities	(74,446)	(50,268)	(13,467)
Proceeds from sale of fixed assets	0	0	26
Proceeds from sale of non-marketable equity investments	765	47	3,494
Payments associated with capitalized software development	(26,741)	(25,806)	(23,334)
Purchases of property and equipment	(1,401)	(2,200)	(1,768)
Net cash used in investing activities	(33,972)	(56,598)	(28,389)
FINANCING ACTIVITIES:
Taxes paid related to net settlement of equity awards	(1,113)	(934)	(565)
Payment of debt issuance costs	0	(118)	0
Repurchases of common stock	0	(8,929)	(23,137)
Payment of cash dividends	(3,403)	(3,058)	0
Net cash used in financing activities	(4,516)	(13,039)	(23,702)
Effect of exchange rate changes on cash and cash equivalents	(36)	(23)	21
Net increase (decrease) in cash and cash equivalents	19,136	(5,690)	(882)
Cash and cash equivalents at beginning of period	40,333	46,023	46,905
Cash and cash equivalents at end of period	59,469	40,333	46,023
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	101	132	99
Income taxes paid	8,701	2,611	718
NONCASH INVESTING AND FINANCING ACTIVITIES:
Purchases of property and equipment, accrued but not paid	399	91	727
Capitalized software development, accrued but not paid	1,055	961	1,267
Fair value of common stock issued as consideration for business combinations	$ 0	$ 0	$ 4,084