CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating activities:
Net loss	$ (22,180)	$ (44,225)	$ (10,765)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization and accretion	10,446	9,056	9,249
Goodwill and capitalized software development impairment	15,663	25,007	8,849
Valuation allowance	0	22,108	0
Deferred income tax (benefit) expense	(5,483)	438	(3,253)
Stock-based compensation	7,239	5,508	3,643
Provisions for credit losses, service credits and other	1,162	1,212	694
Changes in assets and liabilities:
Accounts receivable	1,833	(1,588)	964
Prepaid expenses and other assets	2,594	1,445	1,676
Net operating lease liabilities	763	10	(148)
Accounts payable, accrued liabilities and other	(679)	4,017	742
Deferred revenue	(3,390)	3,175	42
Net cash provided by operating activities	7,968	26,163	11,693
Investing activities:
Purchases of property and equipment	(4,393)	(3,455)	(4,837)
Capitalized software development	(10,842)	(11,252)	0
Purchase of short-term investments	(44,990)	(59,864)	(59,385)
Maturity of short-term investments	60,000	60,000	34,000
Net cash used in investing activities	(225)	(14,571)	(30,222)
Financing activities:
Cash distributions to stockholders	(10,025)	(9,771)	(9,819)
Purchase of common stock (including commissions)	0	0	(6,575)
Proceeds from issuance of common stock under the Employee Stock Purchase Plan	132	301	258
Purchase of common stock for tax withholding on vested equity awards	(1,860)	(903)	(1,017)
Net cash used in financing activities	(11,753)	(10,373)	(17,153)
Effect of exchange rate on cash and cash equivalents	(136)	149	(300)
Net (decrease) increase in cash and cash equivalents	(4,146)	1,368	(35,982)
Cash and cash equivalents, beginning of period	48,729	47,361	83,343
Cash and cash equivalents, end of period	44,583	48,729	47,361
Supplemental disclosure:
Income taxes (refunds received) paid	$ (126)	$ 1	$ 901