Note 5 - Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Prepaid Expenses and Other Current Assets [Table Text Block]

	December 31,
	2017		2016
Prepaid service invoices	$	116	$	65
Prepaid manufacturing and mold costs		-		27
Prepaid insurance premiums		210		220
Total		326		312