CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating activities:
Net income	$ 14,965	$ 15,666	$ 21,856
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and accretion	4,148	4,496	3,571
Valuation allowance	0	0	(21,850)
Deferred income tax expense	4,573	6,378	903
Stock-based compensation	4,956	4,063	3,827
Provisions for credit losses, service credits and other	846	950	1,777
Changes in assets and liabilities:
Accounts receivable	506	2,580	(1,757)
Prepaid expenses and other assets	(1,845)	(909)	(88)
Net operating lease liabilities	(36)	(1,264)	357
Accounts payable, accrued liabilities and other	(1,184)	(5,217)	(2,258)
Deferred revenue	1,993	(559)	118
Net cash provided by operating activities	28,922	26,184	6,456
Investing activities:
Purchases of property and equipment	(3,209)	(3,417)	(3,776)
Purchase of short-term investments	0	0	(14,967)
Maturity of short-term investments	0	0	30,000
Net cash (used in) provided by investing activities	(3,209)	(3,417)	11,257
Financing activities:
Cash distributions to stockholders	(26,381)	(25,642)	(25,011)
Proceeds from issuance of common stock under the Employee Stock Purchase Plan	272	210	0
Purchase of common stock for tax withholding on vested equity awards	(2,428)	(1,245)	(1,210)
Net cash used in financing activities	(28,537)	(26,677)	(26,221)
Effect of exchange rate on cash and cash equivalents	(20)	145	(321)
Net decrease in cash and cash equivalents	(2,844)	(3,765)	(8,829)
Cash and cash equivalents, beginning of period	31,989	35,754	44,583
Cash and cash equivalents, end of period	29,145	31,989	35,754
Supplemental disclosure:
Income taxes paid	$ 571	$ 179	$ 223