Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 61,306	$ 53,210
Marketable securities	59,775	59,672
Accounts receivable, net of allowances of $410 and $315	27,545	39,585
Inventory	53,013	52,160
Prepaid expenses and other current assets	17,564	15,927
Total current assets	219,203	220,554
Restricted cash	257	256
Lease right-of-use assets	12,675	12,616
Property, plant and equipment, net	50,290	52,300
Intangible assets, net	1,278	1,652
Goodwill	12,382	12,399
Other assets, net	6,746	7,026
Total assets	302,831	306,803
Current liabilities:
Accounts payable	13,911	12,166
Accrued liabilities	13,599	12,556
Deferred revenues	7,583	4,849
Current portion of lease liabilities	3,171	3,181
Total current liabilities	38,264	32,752
Non-current income taxes payable	5,485	5,391
Long-term lease liabilities	10,993	10,978
Other long-term liabilities	3,732	3,263
Total liabilities	58,474	52,384
Stockholders' equity:
Common stock - $0.0001 par value; 190,000 shares authorized, 47,552 and 47,266 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	16	16
Additional paid-in capital	525,000	521,184
Accumulated other comprehensive loss	(2,589)	(2,477)
Accumulated deficit	(278,070)	(264,304)
Total stockholders’ equity	244,357	254,419
Total liabilities and stockholders’ equity	$ 302,831	$ 306,803