Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 153,115	$ 201,049
Short-term investments	134,376	138,174
Inventory	12,216	3,011
Prepaid expenses and other current assets	6,243	5,526
Total current assets	305,950	347,760
Right-of-use lease assets	48,245	0
Property and equipment, net	9,303	6,072
Restricted cash	1,734	687
Other noncurrent assets	1,177	1,129
Total assets	366,409	355,648
Current liabilities:
Accounts payable	4,017	2,348
Accrued expenses	4,056	4,278
Lease liabilities, current	5,239	0
Other current liabilities	0	118
Total current liabilities	13,312	6,744
Lease liabilities, non current	44,398	0
Long-term debt, net of issuance costs	9,983	9,904
Other noncurrent liabilities	1,155	2,827
Total liabilities	68,848	19,475
Commitments and contingencies (Note 9)
Stockholders' equity:
Common stock, $0.0001 par value; 400,000,000 shares authorized, 71,065,869 and 72,438,742 shares outstanding at June 30, 2022 and December 31, 2021, respectively	7	7
Additional paid-in capital	496,451	488,200
Accumulated other comprehensive loss	(1,013)	(138)
Accumulated deficit	(197,884)	(151,896)
Total stockholders' equity	297,561	336,173
Total liabilities and stockholders' equity	366,409	355,648
Series A Common Stock Equivalent Convertible Preferred Stock [Member]
Stockholders' equity:
Series A Common Stock Equivalent Convertible Preferred Stock, $0.0001 par value; 7,000 shares authorized, 2,500 and 0 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	$ 0	$ 0