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Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Held-to-Maturity Securities

The Company's investment in marketable securities as of December 31, 2014 and 2015 are classified as “held-to-maturity” and consist of the following:

						Gross				Gross
						unrealized				unrealized
		Amortized				holding				holding				Aggregate
		cost basis**				gains				(losses)				fair value*
		US$ thousands
At December 31, 2015
Held to maturity:
Corporate debt securities
Current			8,720				-				(90	)			8,630
Non-Current			24,418				-				(255	)			24,163
			33,138				-				(345	)			32,793
At December 31, 2014
Held to maturity:
Corporate debt securities
Current			15,328				-				(69	)			15,259
Non-Current			20,536				-				(271	)			20,265
			35,864				-				(340	)			35,524

*	Fair value is being determined using quoted market prices in active markets (Level 1).
**	Including accrued interest in the amount of US$ 339 thousand and US$ 256 thousand as of December 31, 2014 and 2015 respectively. The accrued interest is presented as part of other account receivable on the balance sheet.

Schedule of Reconciliation of Marketable Securities

Activity in marketable securities in 2015		US$ thousands
Balance at January 1, 2015			35,864
Purchases of marketable securities			12,935
Discount on marketable securities, net			(561	)
Proceeds from maturity of marketable securities			(15,100	)
Balance at December 31, 2015			33,138

Summary of Investment Securities in an Unrealized Loss Position

The following table summarizes the gross unrealized losses on investment securities for which other-than-temporary impairments have not been recognized and the fair value of those securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2015:

		Less than 12 months								12 months or more								Total
		Unrealized Losses				Fair value				Unrealized Losses				Fair value				Unrealized Losses				Fair value
Held to maturity:
Corporate debt securities			(138	)			12,789				(207	)			20,004				(345	)			32,793

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Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity.

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-Publisher FASB
-Name Accounting Standards Codification
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