CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 25, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 70,817	$ 93,058
Accounts receivable, net	81,353	88,500
Inventories, net	36,802	29,042
Prepaid expenses and other current assets	25,071	40,762
Total current assets	214,043	251,362
Property and equipment, net	41,915	22,928
Operating lease right-of-use assets	24,531	27,491
Goodwill	241,425	239,780
Intangibles, net	1,256	4,461
Other long-term assets	36,252	41,305
Total assets	559,422	587,327
Current liabilities:
Other debts and finance lease obligations, current	11,402	6,713
Accounts payable	31,555	40,933
Income taxes payable	826	1,226
Deferred revenue	42,729	37,117
Accrued and other current liabilities	51,286	62,535
Convertible notes, short-term	7,972	43,375
Total current liabilities	145,770	191,899
Convertible notes, long-term	128,018	88,629
Other debts and finance lease obligations, long-term	9,707	10,511
Income taxes payable, long-term	185	178
Other non-current liabilities	41,204	41,254
Total liabilities	324,884	332,471
Commitments and contingencies (Note 17)
Convertible notes	81	2,410
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value, 150,000 shares authorized; 97,732 and 91,875 shares issued and outstanding at September 25, 2020 and December 31, 2019, respectively	98	92
Additional paid-in capital	2,348,638	2,327,359
Accumulated deficit	(2,114,676)	(2,071,940)
Accumulated other comprehensive income (loss)	397	(3,065)
Total stockholders’ equity	234,457	252,446
Total liabilities and stockholders’ equity	$ 559,422	$ 587,327