ACCRUED EXPENSES (Tables)

12 Months Ended

Dec. 31, 2011

ACCRUED EXPENSES [Abstract]

Accrued expenses

Accrued expenses consist of the following:

	December 31,
	2011		2010
Compensation	$	5,591,067	$	4,013,391
Royalties		1,219,256		865,902
Consulting		338,701		340,543
Professional fees		758,952		558,929
Subcontracts		83,859		87,137
Research and development agreements		546,133		751,701
Other		481,754		288,686
	$	9,019,722	$	6,906,289