Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 282,723	$ 172,018
Investments in marketable securities	140,131	235,339
Accounts receivable, net	60,295	61,271
Inventories	55,013	33,052
Prepaid expenses and other current assets	17,463	9,600
Total current assets	555,625	511,280
Property and equipment, net	79,563	70,740
Goodwill	104,502	104,502
Intangible assets, net	168,290	180,447
Right of use assets, net	33,576	0
Other assets, net	34,450	22,904
Total assets	976,006	889,873
Current liabilities:
Accounts payable	18,771	15,891
Deferred revenue	3,719	5,432
Accrued employee expenses	13,164	11,206
Other accrued expenses	5,125	7,595
Less current portion of long-term debt	217,467	0
Other current liabilities	33,531	24,319
Total current liabilities	291,777	64,443
Convertible debt	258,711	447,825
Other long-term liabilities	78,917	10,911
Total liabilities	629,405	523,179
Commitments and contingencies (Note 16)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued	0	0
Common stock, $0.001 par value; 500,000,000 shares authorized; 45,909,466 and 44,292,722 issued and outstanding at December 31, 2019 and 2018, respectively	46	44
Additional paid-in capital	587,862	536,157
Accumulated deficit	(242,807)	(169,896)
Accumulated other comprehensive income	1,500	389
Total stockholders’ equity	346,601	366,694
Total liabilities and stockholders’ equity	$ 976,006	$ 889,873