Note 4 - Cash, Cash Equivalents and Restricted Cash (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block]

	2018		2017
Cash and cash equivalents	$	1,406	$	1,025
Restricted cash		502		2,826
Cash, cash equivalents and restricted cash	$	1,908	$	3,851