CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 51,067	$ 68,330
Short-term investments	68,471	35,068
Accounts receivable (net of allowance for doubtful accounts of $47 and $40, respectively)	46,539	37,437
Inventory	15,986	13,381
Other current assets	4,803	4,246
Total current assets	186,866	158,462
Property and equipment, net	15,837	13,308
Intangible assets, net	7,500	0
Restricted cash	0	211
Right-of-use assets	41,535	45,720
Long-term investments	19,962	25,687
Other long-term assets	1,303	317
Total assets	273,003	243,705
Current liabilities:
Accounts payable	16,930	9,016
Accrued expenses	16,190	14,045
Current portion of operating lease liabilities	4,302	2,950
Other current liabilities	41	41
Total current liabilities	37,463	26,052
Operating lease liabilities	43,268	47,147
Other long-term liabilities	0	44
Total liabilities	80,731	73,243
COMMITMENTS AND CONTINGENCIES (Note 15)
Shareholders’ equity:
Common stock, no par value; shares authorized — 75,000; shares issued and outstanding — 47,253 and 46,880, respectively	593,245	553,902
Accumulated other comprehensive loss	(978)	(154)
Accumulated deficit	(399,995)	(383,286)
Total shareholders’ equity	192,272	170,462
Total liabilities and shareholders’ equity	$ 273,003	$ 243,705