CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 37,483	$ 19,597
Short-term investments	117,061	154,148
Accounts receivable, net	60,966	49,996
Inventory	85,809	46,397
Prepaid expenses and other current assets	3,835	5,032
Total current assets	305,154	275,170
Long-term investments	10,177	19,200
Property and equipment, net	41,800	39,027
Operating lease right-of-use assets	9,795	10,490
Other non-current assets	1,844	1,969
Goodwill	3,881	3,881
Total assets	372,651	349,737
Current liabilities:
Accounts payable	36,713	25,024
Accrued compensation and employee related benefits	7,042	9,048
Accrued and other current liabilities	7,381	2,925
Current portion of operating lease liabilities	2,966	3,122
Current portion of deferred revenue	502	2,250
Total current liabilities	54,604	42,369
Long-term debt	280,644	280,244
Operating lease liabilities, net of current portion	10,331	11,066
Other long-term liabilities	134	118
Deferred revenue, net of current portion	317	349
Total liabilities	346,030	334,146
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock, $0.001 par value - 5,000 shares authorized, no shares issued and outstanding at March 31, 2023 and December 31, 2022
Common stock, $0.001 par value - 495,000 shares authorized, 26,581 and 26,098 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	27	26
Additional paid-in capital	418,342	403,599
Accumulated other comprehensive loss	(605)	(1,249)
Accumulated deficit	(391,143)	(386,785)
Total stockholders' equity	26,621	15,591
Total liabilities and stockholders' equity	$ 372,651	$ 349,737