Note 4 - Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2015

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2015		2014
Accrued clinical trial costs	$	323	$	-
Accrued professional fees		242		117
Accrued bonuses		169		-
Customer advance payments		108		-
Accrued vacation		95		86
Other accruals		55		20
Total accrued liabilities	$	992	$	223