CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
| Jun. 30, 2011 | Dec. 31, 2010 | Dec. 31, 2009 |
|---|
| Current assets | | | |
| Cash | $ 301,723 | $ 638,868 | $ 2,107,499 |
| Short-term investments, restricted | 52,840 | 52,817 | 52,672 |
| Accounts and royalties receivable, net | 1,224,423 | 1,207,027 | 180,560 |
| Inventory | 401,912 | 627,984 | 25,986 |
| Prepaid expenses and other current assets | 591,306 | 610,409 | 140,745 |
| Deferred costs, current portion | 136,436 | 357,412 | 10,935 |
| Total current assets | 2,708,640 | 3,494,517 | 2,518,397 |
| Property and equipment, net | 1,114,067 | 1,324,996 | 84,623 |
| Deferred costs | 385,437 | 191,153 | 42,063 |
| Other intangibles, net | 3,049,458 | 3,182,875 | |
| Goodwill | 706,823 | 706,823 | |
| Total assets | 7,964,425 | 8,900,364 | 2,645,083 |
| Current liabilities | | | |
| Accounts payable and accrued expenses | 3,231,686 | 3,558,161 | 1,037,894 |
| Note payable, current portion | | 1,520,947 | |
| Dividends payable on preferred stock | 98,077 | 92,853 | 7,285 |
| Derivative liabilities, current portion | | | 391 |
| Total current liabilities | 3,329,763 | 5,171,961 | 1,045,570 |
| Note payable | 2,100,000 | 1,981,208 | |
| Derivative and other liabilities | 24,000 | 1,826,447 | 623,462 |
| Total liabilities | 5,453,763 | 8,979,616 | 1,669,032 |
| Commitments and contingencies | | | |
| Stockholders' equity (deficit) | | | |
| Common stock | 5,195 | 4,410 | 3,727 |
| Additional paid-in capital | 52,378,674 | 47,587,964 | 41,827,199 |
| Accumulated deficit | (49,873,224) | (47,671,643) | (40,854,892) |
| Total stockholders' equity (deficit) | 2,510,662 | (79,252) | 976,051 |
| Total liabilities and stockholders' equity (deficit) | 7,964,425 | 8,900,364 | 2,645,083 |
Series A Convertible preferred stock | | | |
| Stockholders' equity (deficit) | | | |
| Convertible preferred stock | 10 | 10 | 10 |
Series B Convertible preferred stock | | | |
| Stockholders' equity (deficit) | | | |
| Convertible preferred stock | 7 | 7 | 7 |
Series D Convertible preferred stock | | | |
| Stockholders' equity (deficit) | | | |
| Convertible preferred stock | | | |
Series C Convertible preferred stock | | | |
| Stockholders' equity (deficit) | | | |
| Convertible preferred stock | | | |