Note 7 - Prepaid Expenses

6 Months Ended

Jun. 30, 2014

Prepaid Expenses And Other Assets [Abstract]

Prepaid Expenses And Other Assets [Text Block]

7. Prepaid expenses

Prepaid expenses as of June 30, 2014 and December 31, 2013 consisted of the following (in thousands):

	June 30,		December 31,
	2014		2013
Prepaid insurance	$	81	$	292
Prepaid research and development expenses		2,894		3,218
Other prepaid expenses		34		88
	$	3,009	$	3,598

As of June 30, 2014 and December 31, 2013, prepaid research and development expenses includes $2.6 million and $2.7 million, respectively for upfront fees paid to our clinical research organizations assisting with our on-going Phase 3 clinical trial. The upfront fees will be relieved in future periods by offsetting future invoices based upon work completed.