| Cash and cash equivalents | 4.94M |
| Restricted cash | |
| Accounts receivable | 2.66M |
| Inventories, net | 2.83M |
| Prepaid expenses | 156.54K |
| Total current assets | 10.59M |
| Property and equipment, net | 4.39M |
| Goodwill | 1.83M |
| Patents, net | 1.9M |
| Other assets | 14.31K |
| Total assets | 18.72M |
| Accounts payable | 3.94M |
| Warrant derivative liability | |
| Deferred revenue | 803.42K |
| Accrued liabilities | 355.08K |
| Total current liabilities | 5.1M |
| Commitments and contingencies (Note 12) | 0 |
| Stockholders' equity : | |
| Common stock, $0.33 par value: 100,000,000 shares authorized; 33,520,255 shares issued and outstanding at June 30, 2011 and 23,956,063 shares issued and outstanding at December 31, 2010 | 3.88K |
| Additional paid-in capital | 76.73M |
| Accumulated deficit | -63.66M |
| Total stockholders' equity | 13.15M |
| Total liabilities and stockholders' equity | 18.72M |
| Stockholders' equity : | |
| Preferred stock | 10.95K |
| Stockholders' equity : | |
| Preferred stock | 70.43K |