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

3 Months Ended

Mar. 31, 2019

Notes Tables

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

	March 31,		December 31,
	2019		2018
Cash and cash equivalents	$	1,237	$	1,406
Restricted cash		2,976		502
Cash, cash equivalents and restricted cash	$	4,213	$	1,908