| Current assets: | |
| Cash | 1.29M |
| Investments available for sale | 28.29M |
| Accounts and other receivables | 5.35M |
| Inventory | 1.61M |
| Deferred tax asset | |
| Prepaid expenses and other current assets | 462K |
| Total current assets | 37M |
| Property and equipment, net | 2.04M |
| Restricted cash | 317K |
| Other assets | |
| Total assets | 39.35M |
| Current liabilities: | |
| Accounts payable and accrued expenses | 4.99M |
| Deferred revenue, current portion | |
| Total current liabilities | 5.03M |
| Deferred revenue, net of current portion | |
| Other long-term liabilities | 350K |
| Total liabilities | 5.53M |
| Stockholders' equity: | |
| Common stock, $.001 par value, 90,000 shares authorized, 32,822 shares outstanding - 2011, 32,794 shares outstanding - 2010 | 33K |
| Additional paid-in-capital | |
| Accumulated other comprehensive income (loss) | 5K |
| Accumulated deficit | -246.13M |
| Total stockholders' equity | |
| Total liabilities and stockholders' equity | 39.35M |