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Note 10 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		December 31,
		2016				2015
Compensation and related expenses		$	3,089			$	3,082
Facility construction costs			804				415
Research grants			463				381
Clinical trial costs			227				252
Professional fees			802				210
Deferred Rent			231				-
Other			880				438
Total		$	6,496			$	4,778

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