CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 54,181	$ 110,949
Accounts receivable, net	43,427	37,211
Inventories, net	3,314	3,396
Prepaid and other current assets	23,480	56,551
Total current assets	124,402	208,107
Property and equipment, net	3,873	13,064
Intangible assets, net	615,768	692,099
Investments	7,244	11,784
Other long-term assets	5,579	7,812
Total assets	756,866	932,866
Current liabilities:
Accounts payable	22,700	6,138
Accrued rebates, returns and discounts	60,979	75,759
Accrued liabilities	33,270	31,361
Current portion of Senior Notes	80,000	120,000
Interest payable	6,687	11,645
Other current liabilities	2,096	1,133
Total current liabilities	205,732	246,036
Contingent consideration liability	981	1,038
Senior Notes	94,661	158,309
Convertible Notes	190,923	287,798
Other long-term liabilities	16,135	19,350
Total liabilities	508,432	712,531
Commitments and contingencies
Shareholders’ equity:
Common stock	8	6
Additional paid-in capital	455,601	402,934
Accumulated deficit	(207,175)	(182,600)
Accumulated other comprehensive loss	0	(5)
Total shareholders’ equity	248,434	220,335
Total liabilities and shareholders' equity	$ 756,866	$ 932,866