CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net loss	$ (15,371)	$ (15,522)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	339	246
Amortization intangible assets	166	166
Amortization of right-of-use lease assets	325	269
Stock-based compensation	1,942	1,394
Amortization of debt issuance costs	146	124
Accretion of available for sale securities, net	(634)
Changes in operating assets and liabilities:
Accounts receivable, net	(634)	(186)
Inventory	(561)	(1,984)
Prepaid expenses and other assets	(694)	(416)
Accounts payable	896	(826)
Accrued expenses and other liabilities	(1,614)	(423)
Deferred revenue	(95)	(24)
Accrued compensation	(1,187)	(863)
Net cash used in operating activities	(16,976)	(18,045)
Cash flows from investing activities:
Purchases of available-for-sale securities	(15,125)
Proceeds from maturities of available-for-sale securities	27,300
Purchases of property and equipment	(210)	(56)
Net cash provided by (used in) investing activities	11,965	(56)
Financing activities:
Payment of common stock issuance costs		(598)
Proceeds from exercise of common stock options		242
Proceeds from exercise of pre-funded warrants	1
Payment of contingent earnout		(117)
Principal repayments on finance lease	(7)	(13)
Net cash used in financing activities	(6)	(486)
Net decrease in cash and cash equivalents	(5,017)	(18,587)
Cash and cash equivalents at beginning of period	17,665	84,641
Cash and cash equivalents at end of period	12,648	66,054
Cash paid for:
Interest	1,387	848
Supplemental schedule of non-cash investing and financing activities:
Operating lease right-of-use assets obtained in exchange for lease liabilities	1,802	168
Lease liabilities recorded for operating lease right-of-use assets	$ (1,802)	$ (168)