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	$ (22,497)	$ (22,218)
Adjustments to reconcile net loss to net cash and cash equivalents used in operating activities:
Depreciation	841	813
Amortization of intangible assets	114	112
Accretion of discounts and premiums on investments, net	(15)	(89)
Stock-based compensation	1,745	1,916
Deferred tax expense	0	91
Bad debt expense	(2)	0
Change in inventory reserves	959	(374)
Change in fair value of warrant liabilities	(2,116)	(0)
Change in fair value of contingent consideration	6,480	105
Changes in operating assets and liabilities:
Accounts receivable	2,776	1,607
Inventories	(559)	203
Operating lease right-of-use assets	177	187
Prepaid expenses	(183)	250
Other current and long-term assets	313	(27)
Accounts payable	(74)	1,608
Accrued employee compensation and benefits	(1,523)	(1,120)
Accrued expenses and other current liabilities	(359)	(93)
Deferred revenue	73	(13)
Operating lease liabilities	(158)	(206)
Net cash and cash equivalents used in operating activities	(14,008)	(17,248)
Cash Flows from Investing Activities:
Purchase of available-for-sale investments	0	(2,949)
Proceeds from maturities of available-for-sale investments	3,000	32,750
Purchase of property and equipment	0	(64)
Net cash and cash equivalents provided by (used in) investing activities	3,000	29,737
Cash Flows from Financing Activities:
Proceeds from issuance of common stock, net of issuance costs	982	0
Taxes paid related to net share settlement of vesting of restricted stock units	(171)	(488)
Proceeds from exercise of stock options	0	5
Net cash and cash equivalents provided by (used in) financing activities	811	(483)
Effect of exchange rate changes on cash and cash equivalents	(63)	403
Net (decrease) increase in cash, cash equivalents and restricted cash	(10,260)	12,409
Cash, cash equivalents and restricted cash, beginning of period	18,738	7,470
Cash, cash equivalents and restricted cash, end of period	8,478	19,879
Supplemental Disclosure for Cash Flow Information
Cash paid for leases	351	330
Cash paid for taxes	87	190
Supplemental Schedule of Non-cash Investing and Financing Activities:
Transfer of inventory to property and equipment	630	112
Lease liabilities arising from obtaining right-of-use assets	$ 72	$ 45