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

6 Months Ended

Jun. 30, 2019

Notes Tables

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

	June 30,		December 31,
	2019		2018
Cash and cash equivalents	$	3,280	$	1,406
Restricted cash		501		502
Cash, cash equivalents and restricted cash	$	3,781	$	1,908