Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 109,559	$ 91,436
Restricted cash	567	567
Marketable securities	0	23,280
Accounts receivable, net	26,545	20,310
Inventory	11,604	9,174
Prepaid expenses	9,131	13,279
Other current assets	20,070	22,502
Total current assets	177,476	180,548
Property and equipment, net	660	796
Intangible assets	5,186	5,785
Right of use assets - operating leases	720	3,933
Other assets	2,141	520
Total assets	186,183	191,582
Current liabilities:
Accounts payable	13,548	9,925
Accrued expenses and other current liabilities	75,766	59,758
Deferred revenue	0	1,000
Operating lease liability, current	725	2,490
Total current liabilities	90,039	73,173
Convertible notes payable	190,272	213,645
Term loan	148,057	24,905
Operating lease liability, long term	364	3,518
Total liabilities	428,732	315,241
Stockholders’ equity (deficit):
Common stock, 0.0001 par value; 200,000,000 shares authorized, 47,325,993 shares and 46,779,479 shares issued and outstanding at September 30, 2021 and December 31, 2020	5	5
Additional paid-in-capital	1,109,843	1,222,137
Accumulated other comprehensive income	0	21
Accumulated deficit	(1,352,397)	(1,345,822)
Total stockholders’ equity (deficit)	(242,549)	(123,659)
Total liabilities and stockholders’ equity (deficit)	$ 186,183	$ 191,582