CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 25,577	$ 33,271
Short-term investments	125,950	132,748
Accounts receivable, net of allowance for credit losses of $1,291 and $1,118, respectively	24,796	21,953
Inventory	23,233	20,249
Prepaid expenses and other current assets	2,777	3,173
Total current assets	202,333	211,394
Property and equipment, net	19,108	16,000
Operating lease right-of-use assets	2,079	2,706
Other non-current assets	323	325
TOTAL ASSETS	223,843	230,425
Current liabilities:
Accounts payable	7,180	4,588
Accrued liabilities and other	13,496	17,452
Operating lease liabilities, current portion	1,384	1,416
Total current liabilities	22,060	23,456
Long-term borrowings	36,149	36,065
Operating lease liabilities, net of current portion	887	1,511
Other long-term liabilities	14	18
TOTAL LIABILITIES	59,110	61,050
Commitments and contingencies (Note 6)
STOCKHOLDERS’ EQUITY
Preferred stock, $0.0001 par value; 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value; 100,000,000 shares authorized; 41,510,811 and 40,693,299 shares issued and outstanding, respectively	4	4
Additional paid-in capital	584,786	569,477
Accumulated other comprehensive income	227	335
Accumulated deficit	(420,284)	(400,441)
TOTAL STOCKHOLDERS’ EQUITY	164,733	169,375
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 223,843	$ 230,425