Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (9,763)	$ (20,711)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	75	77
Reduction in the carrying amount of right-of-use assets	135	169
Stock-based compensation expense	1,302	2,759
Amortization of premium on short-term investments		(432)
Non Cash Interest Expense	162	194
Change in fair value of earn-out liabilities	(888)	2,013
Changes in operating assets and liabilities:
Accounts receivable	156	(8)
Prepaid expenses and other current assets	776	1,079
Prepaid expenses and other long-term assets	6	(1)
Accounts payable	(184)	(1,268)
Accrued expenses and other current liabilities	(1,532)	(2,788)
Operating lease liabilities	(179)	(195)
Deferred revenue	(62)	14
Net cash used in operating activities	(9,996)	(19,098)
Cash flows from investing activities:
Acquisition of property and equipment	(3)	(3)
Capitalized software development costs	(227)
Purchases of short-term investments		(22,082)
Proceeds from maturities of short-term investments		75,000
Net cash provided by (used in) investing activities	(230)	52,915
Cash flows from financing activities:
Proceeds from exercise of stock options	1
Taxes paid related to net share settlement of share-based awards	(14)	(45)
Repayment of principal on note payable	(1,875)
Net cash used in financing activities	(1,888)	(45)
Net increase (decrease) in cash, cash equivalents, and restricted cash	(12,114)	33,772
Cash, cash equivalents, and restricted cash at beginning of period	75,455	54,402
Cash, cash equivalents, and restricted cash at end of period	63,341	88,174
Supplementary Information:
Cash paid for interest	$ 310	$ 422