Accounts Receivable

12 Months Ended

Dec. 31, 2011

Accounts Receivable [Abstract]

Accounts Receivable

4. Accounts Receivable

Our accounts receivable represent amounts due to Progenics from collaborators, royalties, research grants and the sales of research reagents. These amounts are considered to be short-term as they are expected to be collected within one year and we believe carrying value approximates fair value. Accounts receivable as of December 31, 2011 and 2010, consisted of the following:

	2011		2010
Collaborators	$	77	$	1,811
Royalties		1,279		-
National Institutes of Health		100		468
Other		60		4
Total	$	1,516	$	2,283