Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 142,258	$ 148,615
Investment securities, available-for-sale	370,596	443,290
Restricted cash	1,750	1,750
Accounts receivable, net	95,964	75,189
Inventory	41,895	23,920
Prepaid expenses and other current assets	45,610	45,193
Total current assets	698,073	737,957
Property and equipment, net	1,656	1,913
Right of use assets, net	13,787	14,824
Other assets	86	86
Total assets	713,602	754,780
Current liabilities:
Accounts payable	7,733	10,395
Accrued and other current liabilities	27,456	19,657
Accrued customer programs	31,710	25,621
Accrued employee benefits	21,623	22,996
Operating lease liabilities	3,558	4,567
Total current liabilities	92,080	83,236
Operating lease liabilities, non-current	14,432	15,474
Total liabilities	106,512	98,710
Stockholders’ equity:
Common stock, $0.0001 par value: 175,000,000 shares authorized at June 30, 2023 and December 31, 2022; 96,083,387 and 94,829,794 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	10	9
Additional paid-in capital	2,173,671	2,137,737
Accumulated deficit	(1,564,323)	(1,477,486)
Accumulated comprehensive loss	(2,268)	(4,190)
Total stockholders’ equity	607,090	656,070
Total liabilities and stockholders’ equity	$ 713,602	$ 754,780