UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 41,961	$ 42,925
Inventories	25,532	15,691
Accounts receivable, net	26,620	39,290
Prepaid expenses and other current assets	18,831	20,243
Total current assets	112,944	118,149
Property and equipment, net	3,265	3,629
Operating right-of-use assets	11,399	12,416
Intangible asset, net	27,032	36,042
Goodwill	59,044	59,044
Other long-term assets	11,793	12,423
Total assets	225,477	241,703
Current liabilities:
Accounts payable	11,882	14,635
Accrued expenses and other current liabilities	53,910	67,735
Short-term deferred revenue	695	0
Current portion of long-term debt	0	17,500
Total current liabilities	66,487	99,870
Deferred revenue, net of current portion	43,296	43,296
Long-term operating lease liabilities	7,636	8,947
Long-term debt, net	30,145	17,183
Liability related to sale of future royalties	53,498	54,013
Refund liability to customer	39,927	40,093
Warrant liability	4,975	0
Other long-term liabilities	6,771	8,885
Total liabilities	252,735	272,287
Commitments and contingencies (Note 10)
Stockholders' deficit:
Preferred stock $0.00001 par value, 25,000,000 shares authorized; no shares issued and    outstanding at March 31, 2024 and December 31, 2023	0	0
Common stock $0.00001 par value; 350,000,000 shares authorized at March 31, 2024 and December 31, 2023; 209,454,149 and 194,582,539 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	2	2
Additional paid-in capital	1,599,669	1,578,358
Accumulated other comprehensive income	6	6
Accumulated deficit	(1,626,935)	(1,608,950)
Total stockholders' deficit	(27,258)	(30,584)
Total liabilities and stockholders' deficit	$ 225,477	$ 241,703