CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
REVENUES:
Net sales	$ 7,760,446	$ 544,155
Grant revenue	0	244,719
Total revenue	7,760,446	788,874
OPERATING COSTS AND EXPENSES:
Cost of products sold	3,154,594	1,720,063
Research and development expenses	2,602,751	2,753,331
Selling, general and administrative expenses	11,764,117	6,848,135
LOSS FROM OPERATIONS	(9,761,016)	(10,532,655)
OTHER INCOME (EXPENSE), net
Financing expense associated with warrants issued in connection with convertible promissory note	0	(287,449)
Interest (expense) income, net	(432,970)	(599,649)
LOSS BEFORE INCOME TAXES	(10,193,986)	(11,419,753)
Income taxes	0	0
NET LOSS	$ (10,193,986)	$ (11,419,753)
Net loss per common share
Basic and diluted (in dollars per share)	$ (0.14)	$ (0.19)
Shares used in computing net loss per common share
Basic and diluted (in shares)	72,450,337	59,138,357