Note 6 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	As of December 31,
	2014		2013
Payroll and employee-related costs	$	641	$	419
Contracted service costs		494		360
Professional fees and other		286		205
Total	$	1,421	$	984