UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 189,704	$ 228,631
Trade receivables, net	33,206	22,176
Inventory, net	4,805	3,823
Prepaid expenses	9,793	6,959
Other current assets	3,183	1,302
Total current assets	240,691	262,891
NONCURRENT ASSETS:
Property and equipment, net	937	938
Restricted cash	750	750
Intangible assets, net	148,562	162,343
Other noncurrent assets	152	152
Total noncurrent assets	150,401	164,183
TOTAL ASSETS	391,092	427,074
CURRENT LIABILITIES:
Trade payables	4,179	2,556
Accrued compensation	6,785	8,942
Accrued expenses	34,223	122,727
Current portion of long term debt	2,000
Other current liabilities	436	314
Total current liabilities	47,623	134,539
NONCURRENT LIABILITIES:
Long term debt, net	190,069	194,250
Other noncurrent liabilities	1,382	1,105
Total noncurrent liabilities	191,451	195,355
TOTAL LIABILITIES	239,074	329,894
COMMITMENTS AND CONTINGENCIES (Note 9)
STOCKHOLDERS' EQUITY:
Preferred stock - $0.00001 par value; 10,000,000 shares and 00 shares authorized at September 30, 2021 and December 31, 2020, respectively; 00 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively
Common stock-$0.00001 par value; 500,000,000 shares authorized at September 30, 2021 and December 31, 2020, respectively; 58,414,546 shares and 56,890,569 issued and outstanding at September 30, 2021 and December 31, 2020, respectively	1	1
Additional paid in capital	628,329	585,374
Accumulated deficit	(476,312)	(488,195)
TOTAL STOCKHOLDERS' EQUITY	152,018	97,180
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 391,092	$ 427,074