Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (30,362)	$ (35,386)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and write-off of property and equipment	570	911
Amortization of acquired intangible assets	4,268	4,146
Amortization and write-off of other intangible assets	651	709
Amortization of lease right of use assets under operating leases	263	426
Stock-based compensation	7,939	8,146
Impairment of lease right of use assets and leasehold improvements	0	250
Increase (decrease) in allowance for doubtful accounts	96	0
Changes in operating assets and liabilities:
Trade accounts receivable	(1,321)	(1,581)
Other current assets	(9)	1,688
Other assets	(582)	279
Accounts payable and other accrued liabilities	(816)	299
Deferred revenue	(2,448)	3,298
Lease liability and other long-term liabilities	(586)	136
Net cash provided by (used in) operating activities	(22,337)	(16,679)
Cash flows from investing activities:
Purchase of property and equipment	(199)	(208)
Capitalized patent costs	(313)	(295)
Proceeds from maturities of marketable securities	16,978	26,696
Purchases of marketable securities	(19,376)	(8,664)
Net cash provided by (used in) investing activities	(2,910)	17,529
Cash flows from financing activities:
Issuance of common stock, net of issuance costs	32,218	0
Purchase of common stock	(2,890)	(2,036)
Repayment of loans	(35)	(33)
Net cash provided by (used in) financing activities	29,293	(2,069)
Effect of exchange rate on cash	58	(44)
Net increase (decrease) in cash and cash equivalents	4,104	(1,263)
Cash and cash equivalents at beginning of period	21,456	33,598
Cash and cash equivalents at end of period	25,560	32,335
Supplemental disclosure of cash flow information:
Cash received (paid) for income taxes, net	(49)	(138)
Supplemental schedule of non-cash activities:
Property and equipment and patent costs in accounts payable	49	14
Stock-based compensation capitalized to software and patent costs	25	42
Right of use assets obtained in exchange for lease obligations	$ 0	$ 31