CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 145,678	$ 170,019
Accounts receivable	81,195	72,953
Inventory	18,815	9,643
Prepaid expenses and other current assets	5,125	3,105
Total current assets	250,813	255,720
Property and equipment, net	15,156	11,854
Operating lease assets	8,697	9,047
Intangible asset, net	369,494	29,503
Restricted cash	2,547
Other noncurrent assets	163	178
Total assets	646,870	306,302
Current liabilities
Accounts payable	8,182	6,247
Accrued expenses	25,111	33,480
Accrued rebates, returns and discounts	171,053	157,549
Current portion of term notes payable	47,069	3,833
Current portion of operating lease liabilities	696	656
Total current liabilities	252,111	201,765
Term notes payable, net of current portion	133,862	7,667
Convertible senior notes	96,046
Operating lease liabilities, net of current portion	9,084	9,438
Total liabilities	491,103	218,870
Commitments and contingencies (see Note 14)
Shareholders' equity:
Preferred stock, $0.001 par value; authorized shares - 5,000,000 at June 30, 2020 and December 31, 2019; issued and outstanding shares - none at June 30, 2020 and December 31, 2019
Common stock, $0.001 par value; authorized shares - 100,000,000 at June 30, 2020 and December 31, 2019; issued and outstanding shares - 34,494,302 at June 30, 2020 and 33,678,840 at December 31, 2019	34	34
Additional paid-in capital	507,124	447,297
Accumulated deficit	(351,391)	(359,899)
Total shareholders' equity	155,767	87,432
Total liabilities and shareholders' equity	$ 646,870	$ 306,302