Note 4 - Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Cash and Cash Equivalents [Table Text Block]

	December 31
	2018		2017
Time deposits	$	2,437	$	1,913
Savings and checking accounts		29,803		26,436
Money market funds		165		163
Petty cash		9		8
Total	$	32,414	$	28,520