Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 247,468	$ 158,222
Marketable securities	248	247
Accounts receivable, net of allowance for doubtful accounts of $88 and $88, respectively	37,767	39,782
Other receivables	5,876	5,754
Inventories	8,983	8,715
Prepaid expenses and other assets	2,957	3,930
Total current assets	303,299	216,650
Property and equipment, net of accumulated depreciation	615	449
Intangible assets, net of accumulated amortization and impairment charges	144,036	164,234
Goodwill	18,131	17,886
Other assets	35,736	29,549
Total assets	501,817	428,768
Current liabilities:
Accounts payable and other accrued liabilities	49,635	52,483
Accrued payroll and benefits	7,636	8,981
Deferred revenue	2,783	3,188
FOLOTYN development liability	153	861
Total current liabilities	60,207	65,513
FOLOTYN development liability, less current portion	12,273	12,269
Deferred revenue, less current portion	324	323
Acquisition-related contingent obligations	4,551	1,315
Deferred tax liabilities	6,829	6,675
Other long-term liabilities	11,127	9,604
Convertible senior notes	101,770	97,043
Total liabilities	197,081	192,742
Commitments and contingencies
Stockholders’ equity:
Preferred stock	0	0
Common stock, $0.001 par value; 175,000,000 shares authorized; 94,061,740 and 80,466,735 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively	94	80
Additional paid-in capital	765,754	640,166
Accumulated other comprehensive income (loss)	3,673	(1,579)
Accumulated deficit	(464,785)	(402,641)
Total stockholders’ equity	304,736	236,026
Total liabilities and stockholders’ equity	501,817	428,768
Series B Junior Participating Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	0	0
Series E Convertible Voting Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	$ 0	$ 0