Consolidated Balance Sheets - USD ($)
|
Dec. 31, 2021 |
Dec. 31, 2020 |
| Current assets: |
|
|
| Cash and cash equivalents |
$ 176,882,000
|
$ 24,248,000
|
| Short-term marketable securities |
48,449,000
|
39,529,000
|
| Accounts receivable |
3,847,000
|
1,480,000
|
| Inventory |
480,000
|
104,000
|
| Prepaid expenses and other current assets |
3,166,000
|
1,521,000
|
| Total current assets |
232,824,000
|
66,882,000
|
| Property and equipment, net |
4,549,000
|
2,731,000
|
| Operating lease right-of-use assets |
7,744,000
|
|
| Restricted cash |
3,025,000
|
|
| Other assets |
167,000
|
167,000
|
| Total assets |
248,309,000
|
69,780,000
|
| Current liabilities: |
|
|
| Accounts payable |
2,880,000
|
1,573,000
|
| Accrued compensation |
5,120,000
|
2,075,000
|
| Accrued liabilities |
1,227,000
|
763,000
|
| Short-term deferred revenue |
1,380,000
|
905,000
|
| Current portion of operating lease liabilities |
1,453,000
|
|
| Current portion of finance lease obligations |
121,000
|
109,000
|
| Total current liabilities |
12,181,000
|
5,425,000
|
| Warrant liability |
146,000
|
1,650,000
|
| Long-term deferred revenue |
0
|
639,000
|
| Long-term finance lease obligations, less current portion |
136,000
|
226,000
|
| Operating lease liabilities, long-term |
6,148,000
|
|
| Total liabilities |
18,611,000
|
7,940,000
|
| Stockholders’ equity: |
|
|
| Common stock, $0.0001 par value per share; 50,000,000 shares authorized as of December 31, 2021 and 2020; 29,772,922 and 20,740,413 shares issued and outstanding at December 31, 2021 and 2020, respectively |
3,000
|
2,000
|
| Additional paid-in capital |
436,183,000
|
189,868,000
|
| Accumulated other comprehensive loss |
(124,000)
|
(1,000)
|
| Accumulated deficit |
(206,364,000)
|
(128,029,000)
|
| Total stockholders’ equity |
229,698,000
|
61,840,000
|
| Total liabilities and stockholders’ equity |
$ 248,309,000
|
$ 69,780,000
|