Accrued Liabilities

9 Months Ended

Sep. 30, 2011

Accrued Liabilities [Abstract]

Accrued Liabilities

6. Accrued Liabilities

Accrued liabilities at September 30, 2011 and December 31, 2010 were as follows:

	September 30, 2011		December 31, 2010
Accrued contracts and study expenses	$	860,525	$	381,309
Accrued acquisition costs		225,667		—
Other accrued liabilities		226,690		483,548
Total accrued liabilities	$	1,312,882	$	864,857