Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net loss	$ (39,010)	$ (45,959)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and write-off of property and equipment	728	1,121
Amortization of acquired intangible assets	5,689	5,524
Amortization and write-off of other intangible assets	820	966
Amortization of lease right of use assets under operating leases	358	517
Stock-based compensation	10,029	11,158
Impairment of lease right of use assets and leasehold improvements	0	250
Increase (decrease) in allowance for doubtful accounts	17	20
Changes in operating assets and liabilities:
Trade accounts receivable	(687)	(335)
Other current assets	(128)	2,200
Other assets	(156)	299
Accounts payable and other accrued liabilities	(1,608)	660
Deferred revenue	(1,838)	1,627
Lease liability and other long-term liabilities	(786)	(43)
Net cash provided by (used in) operating activities	(26,572)	(21,995)
Cash flows from investing activities:
Purchase of property and equipment	(212)	(314)
Capitalized patent costs	(431)	(426)
Proceeds from maturities of marketable securities	22,555	27,664
Purchases of marketable securities	(33,194)	(14,363)
Net cash provided by (used in) investing activities	(11,282)	12,561
Cash flows from financing activities:
Issuance of common stock, net of issuance costs	32,218	0
Purchase of common stock	(3,416)	(2,724)
Repayment of loans	(37)	(36)
Net cash provided by (used in) financing activities	28,765	(2,760)
Effect of exchange rate on cash	(2)	52
Net increase (decrease) in cash and cash equivalents	(9,091)	(12,142)
Cash and cash equivalents at beginning of period	21,456	33,598
Cash and cash equivalents at end of period	12,365	21,456
Supplemental disclosure of cash flow information:
Cash received (paid) for income taxes, net	(63)	(233)
Supplemental schedule of non-cash activities:
Property and equipment and patent costs in accounts payable	19	6
Stock-based compensation capitalized to software and patent costs	30	63
Right of use assets obtained in exchange for lease obligations	$ 0	$ 31