Note 8 - Accrued Expenses

6 Months Ended

Jun. 30, 2014

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

8. Accrued expenses

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

	June 30,		December 31,
	2014		2013
Accrued personnel related costs	$	642	$	1,063
Accrued interest		-		50
Accrued research and development expenses		918		713
Other accrued expenses		256		355
	$	1,816	$	2,181