CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 12,648	$ 17,665
Short-term investments	62,299	73,784
Accounts receivable, net	6,432	5,798
Inventory	15,969	15,462
Prepaid expenses and other current assets	9,091	8,397
Total current assets	106,439	121,106
Property and equipment, net	2,843	2,860
Operating lease right-of-use assets	3,932	2,455
Intangible assets, net	2,126	2,292
Goodwill	8,454	8,454
Other assets	118	118
Total assets	123,912	137,285
Current liabilities:
Accounts payable	5,392	4,438
Accrued expenses	4,217	5,357
Accrued compensation	2,429	3,616
Operating lease liabilities	1,246	1,114
Other current liabilities	1,949	2,191
Total current liabilities	15,233	16,716
Operating lease liabilities, net of current	2,470	1,095
Term loan, net of current	36,891	36,746
Other liabilities	735	773
Total liabilities	55,329	55,330
Commitments and contingencies (Note 8)
Stockholders' equity:
Preferred stock, $0.001 par value; authorized -10,000,000 shares; issued and outstanding - none
Common stock, $0.001 par value; authorized - 500,000,000 shares; issued and outstanding- 51,252,466 shares as of March 31, 2023 and 49,974,281 shares as of December 31, 2022	51	50
Additional paid-in-capital	453,002	451,060
Accumulated other comprehensive loss	(5)	(61)
Accumulated deficit	(384,465)	(369,094)
Total stockholders' equity	68,583	81,955
Total liabilities and stockholders' equity	$ 123,912	$ 137,285