CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 133,747	$ 118,697
Accounts receivable	68,380	9,969
Inventory	8,544	1,813
Prepaid expenses and other current assets	5,622	3,005
Total current assets	216,293	133,484
Property and equipment, net	3,203	1,826
Intangible assets, net	453,694
Restricted cash		97
Other long-term assets	139	161
Total assets	673,329	135,568
Current liabilities
Accounts payable	18,692	5,684
Accrued expenses	23,395	8,541
Accrued rebates, returns and discounts	107,790	15,784
Current portion of asset acquisition obligations	114,825
Current portion of term loan payable		1,479
Total current liabilities	264,702	31,488
Asset acquisition obligations, long-term	314,446
Term loan payable, long-term	11,500
Total liabilities	590,648	31,488
Commitments and contingencies (see Note 12)
Shareholders' equity:
Preferred stock, $0.001 par value; authorized shares - 5,000,000 at June 30, 2018 and December 31, 2017; issued and outstanding shares - none at June 30, 2018 and December 31, 2017
Common stock, $0.001 par value; authorized shares - 100,000,000 at June 30, 2018 and December 31, 2017; issued and outstanding shares - 33,179,860 at June 30, 2018 and 32,770,678 at December 31, 2017	33	33
Additional paid-in capital	412,409	402,096
Accumulated deficit	(329,761)	(298,049)
Total shareholders' equity	82,681	104,080
Total liabilities and shareholders' equity	$ 673,329	$ 135,568