Note 5 - Investments at Cost (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

As of December 31, 2017	Level 1		Level 2		Level 3
Investments		-		-		6,001
Total		-		-		6,001

As of December 31, 201 6	Level 1		Level 2		Level 3
Investments		-		-		5,282
Total		-		-		5,282