Investments in Marketable Securities Available-for sale (Tables)

12 Months Ended

Dec. 31, 2013

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities [Table Text Block]

Following is a summary of marketable securities as of December 31, 2012 and 2013:

	December 31, 2012
	Aggregate		Gross Unrealized	Gross Unrealized	Aggregate Market
	Cost		Gains	Losses	Value
	(in thousands)

Time deposit with original maturities more than three months	$	150	22	-	172

	December 31, 2013
	Aggregate		Gross Unrealized	Gross Unrealized	Aggregate Market
	Cost		Gains	Losses	Value
	(in thousands)

Time deposit with original maturities more than three months	$	771	17	-	788

Schedule Of Information On Sales Of Available For Sale Marketable Securities [Table Text Block]

Information on sales of available for sale marketable securities for the years ended December 31, 2011, 2012 and 2013 is summarized below.

Period	Proceeds from sales		Gross realized gains	Gross realized losses
	(in thousands)

Year 2011	$	25,834	420	(70)
Year 2012	$	19,612	35	(32)
Year 2013	$	21,792	17	(25)

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References+ Details