Accrued Liabilities

12 Months Ended

Dec. 31, 2012

Accrued Liabilities [Abstract]

Accrued Liabilities

7. Accrued Liabilities

Accrued liabilities consist of the following:

	December 31,	December 31,
	2012	2011
Accrued salaries, bonus, and benefits	$ 2,123,167	$ 3,229,382
Accrued research and development	89,654	27,044
Accrued legal and other professional fees	219,000	25,000
Other	2,929,989	2,421,740
Total accrued liabilities	$ 5,361,810	$ 5,703,166