Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 27,760	$ 87,820
Accounts receivable, net	3,929	2,960
Inventory, net	7,274	2,211
Prepaid expenses and other current assets	3,240	4,467
Total current assets	42,203	97,458
Property and equipment, net	284	18,389
Right-of-use lease assets	2,150	15,491
Restricted cash	699	909
Intangible assets, net	15,261
Goodwill	20,123
Total assets	80,720	132,247
Current liabilities:
Accounts payable	3,928	4,177
Accrued expenses	7,683	9,312
Accrued payroll and related expenses	6,164	8,332
Lease liabilities, current portion	985	2,766
Total current liabilities	18,760	24,587
Lease liabilities, less current portion	1,249	26,481
Deferred royalty obligation, net	124,421	124,379
Other noncurrent liabilities	21,805	12,790
Total liabilities	166,235	188,237
Commitments and contingencies (Note 6)
Shareholders’ deficit:
Common Stock, $0.0001 par value; 100,000,000 shares authorized, 27,378,048 and 27,195,469 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	3	3
Additional paid-in capital	983,850	977,432
Accumulated deficit	(1,073,274)	(1,037,331)
Total shareholders’ deficit	(85,515)	(55,990)
Total liabilities and shareholders’ deficit	80,720	132,247
Series C-1 Convertible Preferred Stock
Shareholders’ deficit:
Series C-12 Convertible Preferred Stock, $0.0001 par value; 11,000 shares authorized, 3,906 shares issued and outstanding at September 30, 2020 and December 31, 2019; and liquidation preference of $3,906 at September 30, 2020 and December 31, 2019	$ 3,906	$ 3,906