Note 4 - Accrued Liabilities

3 Months Ended

Mar. 31, 2015

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

4.         Accrued Liabilities

Accrued liabilities consisted of the following as of March 31, 2015 and December 31, 2014 (in thousands):

	March 31,		December 31,
	2015		2014
Accrued professional fees	$	269	$	117
Accrued clinical trial costs		126		-
Accrued vacation		97		86
Accrued payroll and other related expenses		45		-
Accrued interest		14		-
Other accruals		32		20
Total accrued liabilities	$	583	$	223