Condensed Consolidated Balance Sheet (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 97,827	$ 88,212
Trade receivables, net	4,794	1,352
Inventory	6,929	2,824
Prepaid expenses and other current assets	4,882	2,188
Total current assets	114,432	94,576
Property and equipment, net	2,769	3,149
Operating lease right-of-use assets	3,046	0
Other assets	187	187
Total assets	120,434	97,912
Current liabilities:
Accounts payable	4,747	6,367
Accrued liabilities	9,043	8,950
Current portion of deferred royalty obligation	2,518
Current portion of operating lease liability	1,276
Common stock warrant liability	711	637
Total current liabilities	18,295	15,954
Operating lease liability, net of current portion	1,787
Derivative liability	863
Deferred royalty obligation, net of current portion	48,370
Long-term debt	47,209	29,450
Total liabilities	116,524	45,404
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized: none issued	0	0
Common stock, $0.001 par value; 300,000,000 shares authorized; 23,196,313 and 23,037,298 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	23	23
Additional paid-in capital	270,859	267,283
Accumulated deficit	(266,972)	(214,798)
Total stockholders' equity	3,910	52,508
Total liabilities and stockholders' equity	$ 120,434	$ 97,912