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

6 Months Ended

Jun. 30, 2018

Notes Tables

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

	June 30,		December 31,
	2018		2017
Cash and cash equivalents	$	2,409	$	1,025
Restricted cash		1,326		2,826
Cash, cash equivalents and restricted cash	$	3,735	$	3,851