Accrued Liabilities

12 Months Ended

Dec. 31, 2011

Accrued Liabilities [Abstract]

Accrued Liabilities

7. Accrued Liabilities

Accrued liabilities consist of the following:

	December 31, 2011		December 31, 2010
Accrued salaries, bonus, and benefits	$	3,229,382	$	4,203,551
Accrued research and development		27,044		246,119
Accrued legal and other professional fees		25,000		170,498
Other		2,421,740		2,346,403
Total accrued liabilities	$	5,703,166	$	6,966,571