CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 53,614	$ 62,430
Short-term investments	110,096	111,553
Accounts receivable, net	28,885	38,417
Inventory, net	27,699	42,578
Prepaid expenses and other current assets	11,092	7,900
Total current assets	231,386	262,878
Restricted cash	9,326	9,326
Property and equipment, net	22,760	22,056
Operating lease right-of-use asset	15,059	15,704
Finance lease right-of-use asset	53,441	54,048
Intangible assets, net	376,377	382,605
Goodwill	66,134	66,134
Deposits and other assets	5,237	5,649
Total assets	779,720	818,400
Current liabilities:
Accounts payable	12,943	5,781
Accrued liabilities	38,134	51,919
Total current liabilities	51,077	57,700
Operating lease liability	13,601	14,195
Finance lease liability	59,316	58,435
Deferred tax liability, net	9,936	9,632
Other liabilities	4,491	5,166
Total liabilities	138,421	145,128
Commitments and contingencies (Note 11)
Stockholders' equity:
Preferred stock, $0.001 par value; 5,000 shares authorized; no shares issued and outstanding
Common stock, $0.001 par value; 150,000 shares authorized; 44,119 and 43,530 shares issued and 44,091 and 43,502 shares outstanding as of March 31, 2020 and December 31, 2019, respectively	44	44
Additional paid-in capital	883,136	861,740
Accumulated other comprehensive income	2,019	1,330
Accumulated deficit	(243,768)	(189,710)
Less treasury stock (28 shares as of March 31, 2020 and December 31, 2019)	(132)	(132)
Total stockholders' equity	641,299	673,272
Total liabilities and stockholders' equity	$ 779,720	$ 818,400