Note 6 - Accrued Expenses

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

6. Accrued Expenses

Accrued expenses consist of the following (in thousands):

	As of December 31,
	2017		2016
Payroll and employee-related costs	$	1,318	$	1,139
Contracted service costs		7,218		2,891
Professional fees and other		413		493
Total	$	8,949	$	4,523