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, restricted52,84052,81752,672
Accounts and royalties receivable, net1,224,4231,207,027180,560
Inventory401,912627,98425,986
Prepaid expenses and other current assets591,306610,409140,745
Deferred costs, current portion136,436357,41210,935
Total current assets2,708,6403,494,5172,518,397
Property and equipment, net1,114,0671,324,99684,623
Deferred costs385,437191,15342,063
Other intangibles, net3,049,4583,182,875 
Goodwill706,823706,823 
Total assets7,964,4258,900,3642,645,083
Current liabilities   
Accounts payable and accrued expenses3,231,6863,558,1611,037,894
Note payable, current portion 1,520,947 
Dividends payable on preferred stock98,07792,8537,285
Derivative liabilities, current portion  391
Total current liabilities3,329,7635,171,9611,045,570
Note payable2,100,0001,981,208 
Derivative and other liabilities24,0001,826,447623,462
Total liabilities5,453,7638,979,6161,669,032
Commitments and contingencies   
Stockholders' equity (deficit)   
Common stock5,1954,4103,727
Additional paid-in capital52,378,67447,587,96441,827,199
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)7,964,4258,900,3642,645,083
Series A Convertible preferred stock
   
Stockholders' equity (deficit)   
Convertible preferred stock101010
Series B Convertible preferred stock
   
Stockholders' equity (deficit)   
Convertible preferred stock777
Series D Convertible preferred stock
   
Stockholders' equity (deficit)   
Convertible preferred stock   
Series C Convertible preferred stock
   
Stockholders' equity (deficit)   
Convertible preferred stock