Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2012

Accrued Liabilities [Abstract]

Schedule Of Accrued Liabilities

	June 30,	December 31,
	2012	2011
Accrued salaries, bonus, and benefits	$2,966,208	$3,229,382
Accrued research and development	19,547	27,044
Accrued legal and other professional fees	58,762	25,000
Other	2,903,185	2,421,740
Total accrued liabilities	$5,947,702	$5,703,166