| Cash and cash equivalents (Note 11) |
1.54M |
| Marketable securities (Note 5) |
4.97M |
| Inventories (Note 4) |
1.33M |
| Prepaid expenses and other current assets |
| Total current assets |
10.73M |
| Property and equipment, net |
10.06M |
| Patent and trademark rights, net |
899K |
| Investment |
| Marketable securities (Note 5) |
| Construction in progress (Note 8) |
| Other assets |
232K |
| Total assets |
21.92M |
| Accounts payable |
1.39M |
| Accrued expenses (Note 6) |
3.04M |
| Current portion of capital lease (Note 7) |
0 |
| Total current liabilities |
4.43M |
| Long-term portion of capital lease (Note 7) |
| Redeemable warrants (Note 10) |
| Total liabilities |
| Commitments and contingencies |
0 |
| Preferred stock, par value $0.01 per share, authorized 5,000,000; issued and outstanding; none |
0 |
| Common stock, par value $0.001 per share, authorized 200,000,000 shares; issued and outstanding 135,458,872 and 135,241,609, respectively |
249K |
| Additional paid-in capital |
313.62M |
| Accumulated other comprehensive loss |
| Accumulated deficit |
-296.47M |
| Total stockholders' equity |
| Total liabilities and stockholders' equity |
21.92M |
