CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 126,884	$ 117,709
Short-term investments	1,205	59,711
Accounts receivable, net	71,919	102,056
Receivables from collaborative partners	563	533
Inventories	13,042	13,033
Prepaid and other current assets	17,238	13,162
Total current assets	230,851	306,204
Property and equipment, net	13,024	15,526
Intangible assets, net	793,873	902,149
Other assets	869	1,458
Total assets	1,038,617	1,225,337
Current liabilities:
Accounts payable	14,732	14,855
Accrued rebates, returns and discounts	135,828	131,536
Accrued liabilities	60,496	59,398
Income taxes payable	126	59
Current portion of Senior Notes	82,500
Contingent consideration liability, current portion	156	4,578
Interest payable	13,220	15,924
Other current liabilities	3,522	892
Total current liabilities	310,580	227,242
Contingent consideration liability, long-term portion	1,457	10,247
Senior Notes	274,720	466,051
Convertible Notes	269,510	252,725
Other long-term liabilities	12,842	18,284
Commitments and contingencies
Shareholders' equity:
Preferred stock, no par value, 5,000,000 shares authorized; Series A convertible preferred stock, 25,000 shares designated and zero shares outstanding at December 31, 2017 and December 31, 2016
Common stock, no par value, 200,000,000 shares authorized; 63,400,348 and 61,966,188 shares issued and outstanding at December 31, 2017 and December 31, 2016, respectively	313,857	291,634
Additional paid-in capital	75,164	75,917
Accumulated deficit	(219,508)	(116,744)
Accumulated other comprehensive loss, net of tax	(5)	(19)
Total shareholders' equity	169,508	250,788
Total liabilities and shareholders' equity	$ 1,038,617	$ 1,225,337