Note 4 - Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,		December 31,
	2016		2015
Accrued professional fees	$	587	$	388
Accrued bonuses		513		613
Customer advance payments		442		20
Accrued payroll and other related expenses		251		113
Accrued clinical trial costs		4		112
Other accruals		181		47
Total accrued liabilities	$	1,978	$	1,293