Note 5 - Short-term Investments

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Cash, Cash Equivalents, and Short-term Investments [Text Block]

5. SHORT-TERM INVESTMENTS

(In Thousands)

	December 31, 2018
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Time deposits	$	6,172	$	-	$	-	$	6,172

	December 31, 2017
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Time deposits	$	17,601	$	-	$	-	$	17,601

Short-term investments by contractual maturity were as follows:

(In Thousands)

	December 31, 2018
	Cost		Fair Value
Time deposits
Due within one year	$	6,172	$	6,172

(In Thousands)

	December 31, 2017
	Cost		Fair Value
Time deposits
Due within one year	$	17,601	$	17,601