Condensed Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 22,857	$ 13,430
Short-term investments	39,284	39,325
Accounts receivable	13,554	12,851
Inventory	16,346	13,381
Prepaid expenses and other current assets	1,701	2,352
Total current assets	93,742	81,339
Property and equipment, net	1,156	1,052
Operating lease right-of-use asset	11,007	11,843
Restricted cash	122	122
Deferred offering costs	0	276
Other assets	87	15
Total assets	106,114	94,647
Current liabilities
Accounts payable	4,721	2,954
Accrued liabilities	9,740	9,787
Operating lease liability	1,986	1,860
Deferred revenue	696	555
Total current liabilities	17,143	15,156
Long-term debt	58,616	59,525
Operating lease liability, net of current portion	10,917	11,953
Total liabilities	86,676	86,634
Commitments and contingencies (Note 5)
Stockholders’ equity
Preferred stock, $0.001 par value, 10,000,000 shares authorized and no shares issued and outstanding as of June 30, 2025 and December 31, 2024	0	0
Common stock, $0.001 par value, 200,000,000 shares authorized as of June 30, 2025 and December 31, 2024; 33,044,371 and 30,145,039 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	33	30
Additional paid-in capital	565,595	538,933
Accumulated deficit	(546,190)	(530,950)
Total stockholders’ equity	19,438	8,013
Total liabilities and stockholders’ equity	$ 106,114	$ 94,647