Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 90,466	$ 149,800
Inventory	21,762	38,195
Accounts receivable, net	39,180	50,875
Prepaid expenses and other current assets	33,541	33,140
Total current assets	184,949	272,010
Property and equipment, net	5,214	6,754
Operating lease assets	29,158	33,852
Goodwill	55,053	55,053
Other intangible assets, net	72,084	108,127
Other assets	5,372	49,754
Total assets	351,830	525,550
Current liabilities:
Accounts payable	18,021	33,588
Accrued expenses and other current liabilities	70,997	104,456
Short-term deferred revenue	3,738	20,906
Current portion of long-term debt	32,000	97,543
Total current liabilities	124,756	256,493
Deferred revenue, net of current portion	43,296	21,474
Operating lease liabilities, net of current portion	28,961	33,703
Derivative liability	760	1,820
Long-term debt, net	34,078	0
Liability related to sale of future royalties, net	57,484	53,079
Refund liability to customer	40,992	0
Other non-current liabilities	12,161	82,525
Total liabilities	342,488	449,094
Commitments and contingencies (Note 15)
Stockholders' equity:
Preferred stock $0.00001 par value, 25,000,000 shares authorized at December 31, 2022 and 2021; 0 shares issued and outstanding at December 31, 2022 and 2021	0	0
Common stock: $0.00001 par value; 350,000,000 shares authorized at December 31, 2022 and 2021, respectively; 184,135,714 and 177,000,963 shares issued and outstanding at December 31, 2022 and 2021, respectively	2	1
Additional paid-in capital	1,562,247	1,536,800
Accumulated other comprehensive gain	6	6
Accumulated deficit	(1,552,913)	(1,460,351)
Total stockholders' equity	9,342	76,456
Total liabilities and stockholders' equity	$ 351,830	$ 525,550