Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 79,529	$ 90,712
Accounts receivable	1,684	20,162
Inventory	7,055	6,708
Prepaid expenses and other current assets	4,069	2,307
Total current assets	92,337	119,889
Land, property and equipment, net	42,512	43,828
Intangibles, net	2,103	2,357
Other non-current assets	2,808	2,936
Total assets	139,760	169,010
Current liabilities:
Accounts payable and other accrued liabilities	8,579	12,116
Accrued clinical and preclinical study fees	4,429	3,883
Payable to Eisai		9,074
Current portion of deferred revenues	33,170	35,288
Current portion of lease financing obligations	3,662	3,518
Total current liabilities	49,840	63,879
Other long-term liabilities	809	821
Deferred revenues, less current portion	1,667	2,167
Lease financing obligations, less current portion	60,788	61,748
Commitments and contingencies
Equity:
Common stock	24	24
Additional paid-in capital	1,449,712	1,441,715
Accumulated other comprehensive loss	(2,295)	(3,099)
Accumulated deficit	(1,420,832)	(1,398,736)
Total equity attributable to stockholders of Arena	26,609	39,904
Equity attributable to noncontrolling interest in consolidated variable interest entity	47	491
Total equity	26,656	40,395
Total liabilities and equity	$ 139,760	$ 169,010