CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Current assets: |
|
|
| Cash and cash equivalents |
$ 7,732
|
$ 48,892
|
| Restricted cash |
5,056
|
22,559
|
| Trade accounts receivable, net |
6,449
|
1,067
|
| Inventories |
7,674
|
7,162
|
| Prepaid and other current assets |
3,229
|
18,050
|
| Total current assets |
30,140
|
97,730
|
| Property and equipment, net |
5,774
|
4,334
|
| Operating lease right-of-use assets |
5,395
|
6,856
|
| Other noncurrent assets |
1,203
|
1,048
|
| Total assets |
42,512
|
109,968
|
| Current liabilities: |
|
|
| Accounts payable |
10,316
|
10,641
|
| Accrued expenses |
8,370
|
4,476
|
| Accrued compensation |
4,653
|
6,514
|
| Operating lease liabilities – current |
2,332
|
2,290
|
| Derivative liabilities |
202
|
0
|
| Other current liabilities |
2,864
|
953
|
| Total current liabilities |
137,663
|
77,283
|
| Operating lease liabilities – noncurrent |
4,424
|
6,030
|
| Long-term convertible notes payable (Note 5) |
0
|
25,211
|
| Other noncurrent liabilities |
0
|
97
|
| Total liabilities |
142,087
|
108,621
|
| Commitments and contingencies (Note 8) |
|
|
| Stockholders’ equity (deficit): |
|
|
| Preferred stock, $0.0001 par value; 5,000,000 shares authorized; no equity-classified preferred stock issued and outstanding at December 31, 2021; no shares issued and outstanding at December 31, 2020 |
0
|
0
|
| Common stock, $0.0001 par value; 500,000,000 shares authorized; 162,500,425 and 81,351,533 shares issued and outstanding at December 31, 2021 and 2020, respectively |
16
|
8
|
| Additional paid-in capital |
751,260
|
656,827
|
| Accumulated other comprehensive income |
5,089
|
0
|
| Accumulated deficit |
(860,680)
|
(655,488)
|
| Total stockholders’ equity (deficit) |
(104,315)
|
1,347
|
| Total liabilities, convertible and redeemable preferred stock and stockholders’ equity (deficit) |
42,512
|
109,968
|
| Series B1 Convertible Preferred Stock |
|
|
| Convertible and redeemable preferred stock, $.0001 par value |
|
|
| Convertible and redeemable preferred stock |
0
|
0
|
| Series B-2 convertible preferred stock |
|
|
| Convertible and redeemable preferred stock, $.0001 par value |
|
|
| Convertible and redeemable preferred stock |
4,740
|
0
|
| Baker Bros. Notes |
|
|
| Current liabilities: |
|
|
| Convertible notes payable |
81,717
|
52,409
|
| Adjuvant Notes |
|
|
| Current liabilities: |
|
|
| Convertible notes payable |
$ 27,209
|
$ 0
|