CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash	$ 65,122	$ 80,486
Accounts receivable, net of allowance for credit losses of $1,334 and $1,118 as of December 31, 2021 and 2020, respectively	36,176	32,382
Inventory	7,622	7,993
Prepaid and other current assets	10,548	7,543
Total current assets	119,468	128,404
Fixed assets, net	1,199	1,942
License rights and other intangible assets, net	40,318	41,445
Right of use assets	8,234	9,566
Other non-current assets	253	253
Total assets	169,472	181,610
Current liabilities:
Current maturities of long-term debt	188,269
Accounts payable	20,318	21,068
Accrued expenses and other current liabilities	44,304	38,170
Total current liabilities	252,891	59,238
Long-term debt, net	0	237,698
Operating lease liabilities, non-current	8,063	8,675
Other non-current liabilities	2,139
Total liabilities	263,093	305,611
Commitments and contingencies (Note 9)
Stockholders' deficit:
Preferred stock, par value $0.001; 10,000 shares authorized, none issued
Common stock, par value $0.001; 600,000 shares authorized, 429,886 and 299,765 issued and outstanding as of December 31, 2021 and 2020, respectively	430	300
Additional paid-in capital	957,309	754,644
Accumulated deficit	(1,051,360)	(878,945)
Total stockholders' deficit	(93,621)	(124,001)
Total liabilities and stockholders' deficit	$ 169,472	$ 181,610