CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash	$ 111,424	$ 80,486
Accounts receivable, net of allowance for credit losses of $1,273 and $1,118 as of June 30, 2021 and December 31, 2020, respectively	33,481	32,382
Inventory	7,574	7,993
Prepaid and other current assets	7,178	7,543
Total current assets	159,657	128,404
Fixed assets, net	1,647	1,942
License rights and other intangible assets, net	40,206	41,445
Right of use assets	8,838	9,566
Other non-current assets	253	253
Total assets	210,601	181,610
Current liabilities:
Current maturities of long-term debt	10,000
Accounts payable	14,565	21,068
Accrued expenses and other current liabilities	51,110	38,170
Total current liabilities	75,675	59,238
Long-term debt, net	175,261	237,698
Operating lease liabilities	8,381	8,675
Other non-current liabilities	358
Total liabilities	259,675	305,611
Commitments and contingencies (Note 9)
Stockholders' equity (deficit):
Preferred stock, par value $0.001; 10,000 shares authorized, none issued	0	0
Common stock, par value $0.001; 600,000 shares authorized, 395,048 and 299,765 issued and outstanding as of June 30, 2021 and December 31, 2020, respectively	395	300
Additional paid-in capital	911,511	754,644
Accumulated deficit	(960,980)	(878,945)
Total stockholders' deficit	(49,074)	(124,001)
Total liabilities and stockholders' equity (deficit)	$ 210,601	$ 181,610