Note 5 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	As of December 31,
	2015		2014
Payroll and employee-related costs	$	1,058	$	641
Contracted service costs		1,040		494
Professional fees and other		478		286
Total	$	2,576	$	1,421