Note 6 - Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	December 31, 2019
	Fair Value Measurement Using						Assets (Liabilities)
	Level 1		Level 2		Level 3		at Fair value
Derivative instrument asset	$	-	$	731	$	-	$	731
Total Assets	$	-	$	731	$	-	$	731

	December 31, 2018
	Fair Value Measurement Using							Assets (Liabilities)
	Level 1		Level 2			Level 3		at Fair value
Derivative instrument liability	$	-	$	(1,276	)	$	-	$	(1,276	)
Total Liabilities	$	-	$	(1,276	)	$	-	$	(1,276	)