Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 146,534	$ 102,282
Accounts receivable, net of allowances of $303 and $367	41,574	31,820
Inventory	73,746	54,706
Prepaid expenses and other current assets	15,350	11,767
Total current assets	277,204	200,575
Restricted cash	250	291
Lease right-of-use assets	17,048	12,302
Property, plant and equipment, net	56,101	44,480
Intangible assets, net	6,698	8,345
Goodwill	12,420	12,484
Other assets, net	3,897	5,167
Total assets	373,618	283,644
Current liabilities:
Accounts payable	26,347	21,057
Accrued liabilities	14,730	15,321
Deferred revenues	1,629	2,528
Current portion of lease liabilities	3,066	2,273
Current portion of long-term debt	0	184
Total current liabilities	45,772	41,363
Non-current income taxes payable	7,149	7,556
Long-term lease liabilities	14,612	10,375
Long-term debt	0	215
Other long-term liabilities	3,952	4,221
Total liabilities	71,485	63,730
Stockholders' equity:
Common stock - $0.0001 par value; 190,000 shares authorized, 44,248 and 39,793 shares issued and outstanding at December 31, 2021, and December 31, 2020, respectively.	15	15
Additional paid-in capital	470,760	358,544
Accumulated other comprehensive loss	(587)	(259)
Accumulated deficit	(168,055)	(138,386)
Total stockholders’ equity	302,133	219,914
Total liabilities and stockholders’ equity	$ 373,618	$ 283,644