Note 11 - Accrued Expenses

3 Months Ended

Mar. 31, 2017

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

11.

          Accrued Expenses

Accrued expenses consist of the following:

	March 31,		December 31,
	2017		2016
Compensation and related expenses	$	1,818	$	3,089
Facility construction costs		80		804
Research grants		373		463
Clinical trial costs		565		227
Professional fees		764		802
Deferred rent		118		231
Other		449		880
Total	$	4,167	$	6,496