Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 52,804	$ 78,832
Short-term investments	123,533	134,312
Accounts receivable, net	49,557	49,918
Inventory	16,388	15,155
Prepaid expenses and other current assets	11,608	10,555
Total current assets	253,890	288,772
Property and equipment, net	82,208	75,670
Operating lease right-of-use assets	59,301	60,666
Goodwill	862	862
Total	25,440	22,252
Total assets	421,701	448,222
Current liabilities:
Accounts payable	9,778	7,517
Accrued liabilities	54,607	65,497
Deferred revenue	3,486	3,051
Operating lease liabilities, current portion	14,032	13,031
Total current liabilities	81,903	89,096
Debt, noncurrent portion	34,939	34,935
Other noncurrent liabilities	1,013	1,307
Operating lease liabilities, noncurrent portion	82,012	83,072
Total liabilities	199,867	208,410
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock, $0.001 par value - 5,000 shares authorized; none issued and outstanding at March 31, 2023 and December 31, 2022	0	0
Common stock, $0.001 par value - 100,000 shares authorized; 30,463 shares at March 31, 2023 and 30,193 at December 31, 2022 issued and outstanding	30	28
Additional paid-in capital	783,182	762,380
Accumulated other comprehensive loss	(69)	(396)
Accumulated deficit	(561,309)	(522,200)
Total stockholders’ equity	221,834	239,812
Total liabilities and stockholders’ equity	$ 421,701	$ 448,222