CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 12,567	$ 17,665
Short-term investments	53,320	73,784
Accounts receivable, net	6,308	5,798
Inventory	13,161	15,462
Prepaid expenses and other current assets	1,854	8,397
Total current assets	87,210	121,106
Property and equipment, net	2,777	2,860
Operating lease right-of-use assets	3,619	2,455
Intangible assets, net	1,960	2,292
Goodwill	8,454	8,454
Other assets	118	118
Total assets	104,138	137,285
Current liabilities:
Accounts payable	1,092	4,438
Accrued expenses	4,235	5,357
Accrued compensation	2,690	3,616
Operating lease liabilities	1,290	1,114
Other current liabilities	2,038	2,191
Total current liabilities	11,345	16,716
Operating lease liabilities, net of current	2,132	1,095
Term loan, net of current	37,043	36,746
Other liabilities	574	773
Total liabilities	51,094	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 - 52,623,278 shares as of June 30, 2023 and 49,974,281 shares as of December 31, 2022	53	50
Additional paid-in-capital	455,176	451,060
Accumulated other comprehensive loss	(30)	(61)
Accumulated deficit	(402,155)	(369,094)
Total stockholders' equity	53,044	81,955
Total liabilities and stockholders' equity	$ 104,138	$ 137,285