CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Activities
Net income (loss)	$ 950	$ (33,848)	$ (3,285)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization expense	6,790	6,650	3,535
Amortization of deferred contract costs	10,379	8,988	6,489
Amortization (accretion) of premiums and discounts on investments	(6,067)	0	0
Non-cash lease expense	3,940	4,520	0
Stock-based compensation expense	15,337	7,393	2,742
Non-cash interest expense	209	242	211
Change in fair value of convertible debt securities	(3,552)	(1,152)	0
Deferred taxes	301	(253)	59
Intangible asset impairment expense	122	642	0
Loss on disposal of subsidiaries	0	1,738	0
Other non-cash items	858	0	0
Changes in operating assets and liabilities
Accounts receivable	(3,789)	(3,317)	(791)
Deferred contract costs	(13,982)	(9,452)	(9,362)
Prepaid expenses and other current assets	(2,347)	(2,446)	(2,784)
Accounts payable	(7,394)	6,793	1,527
Accrued expenses	1,627	(848)	11,613
Other current liabilities	(238)	(394)	0
Deferred revenue	8,755	9,133	13,807
Other long-term liabilities	0	94	0
Change in operating lease liability	(3,913)	(4,107)	0
Net cash provided by (used in) operating activities	7,986	(9,624)	23,761
Investing Activities
Purchases of property and equipment	(2,486)	(4,234)	(2,380)
Purchases of short-term investments	(257,516)	(157,899)	0
Proceeds from sales and maturities of short-term investments	241,641	0	0
Purchases of convertible debt securities	(326)	(2,000)	(500)
Capitalization of internal-use software costs	(5,165)	(1,706)	(1,403)
Cash paid for acquisition of assets and businesses, net of cash acquired	(5,066)	(13,993)	(350)
Purchases of other investments	(150)	0	0
Net cash used in investing activities	(29,068)	(179,832)	(4,633)
Financing Activities
Proceeds from exercise of stock options	2,240	981	1,327
Proceeds from issuance of shares in connection with Employee Stock Purchase Plan	264	758	0
Payment of finance leases	(2,523)	(2,084)	(1,373)
Net proceeds from completing public offerings	0	0	215,370
Net cash (used in) provided by financing activities	(19)	(345)	215,324
Effect of exchange rate changes on cash and cash equivalents	184	(275)	(230)
(Decrease) increase in cash, cash equivalents and restricted cash	(20,917)	(190,076)	234,222
Cash, cash equivalents and restricted cash, beginning of period	79,765	269,841	35,619
Cash, cash equivalents and restricted cash, end of period	58,848	79,765	269,841
Supplemental cash flow disclosures
Cash paid for interest	197	229	321
Cash paid for income taxes	3,097	603	248
Property and equipment purchases included in accounts payable	585	0	0
Acquisition of fixed assets under finance leases	0	1,050	5,750
Unrealized gain (loss) on short-term investments	3	(125)	0
Right-of-use assets obtained in exchange for new operating lease liabilities	5,739	18,359	0
Accrued purchase consideration	$ 2,071	$ 0	$ 0