Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 166,541	$ 227,323
Marketable securities	54,014	248
Accounts receivable, net of allowance for doubtful accounts of $71 and $71, respectively	29,485	32,260
Other receivables	5,131	2,133
Inventories	3,979	5,715
Prepaid expenses and other assets	8,300	10,067
Total current assets	267,450	277,746
Property and equipment, net of accumulated depreciation	437	589
Intangible assets, net of accumulated amortization	116,273	137,159
Goodwill	18,091	18,162
Other assets	10,376	53,783
Total assets	412,627	487,439
Current liabilities:
Accounts payable and other accrued liabilities	57,633	58,117
Accrued payroll and benefits	7,744	9,261
Deferred revenue	0	3,872
FOLOTYN development liability	211	275
Convertible senior notes	35,357	38,224
Total current liabilities	100,945	109,749
FOLOTYN development liability, less current portion	11,905	12,111
Deferred revenue, less current portion	0	315
Acquisition-related contingent obligations	5,555	6,272
Deferred tax liabilities	1,447	1,438
Other long-term liabilities	5,997	6,215
Total liabilities	125,849	136,100
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.001 par value; 300,000,000 shares authorized; 106,060,681 and 100,742,735 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively	106	100
Additional paid-in capital	840,681	837,347
Accumulated other comprehensive (loss) income	(3,342)	15,999
Accumulated deficit	(550,667)	(502,107)
Total stockholders’ equity	286,778	351,339
Total liabilities and stockholders’ equity	$ 412,627	$ 487,439