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Note 11 - Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		June 30,				December 31,
		2016				2015
Compensation and related expenses		$	2,416			$	3,082
Facility construction costs			1,769				415
Research grants			481				381
Professional fees			889				210
Clinical trial costs			339				252
Other			744				438
Total		$	6,638			$	4,778

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