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Note 11 - Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		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

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