FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2014

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

The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of September 30, 2014 (in thousands):



			Fair Value Measurements, Using
	Total carrying value as of September 30, 2014		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Cash equivalents	$	22,887	$	22,887	$	—	$	—
Short-term investments	230,968		230,968		—		—
Long-term investments	2,606		2,606		—		—

The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of December 31, 2013 (in thousands):



			Fair Value Measurements, Using
	Total carrying value as of December 31, 2013		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Cash equivalents	$	7,600	$	7,600	$	—	$	—
Short-term investments	202,024		202,024		—		—
Long-term investments	7,417		3,117		—		4,300

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table is a reconciliation of the changes in fair value of the Company’s investments in convertible notes for the three and nine months ended September 30, 2014, which had been classified in Level 3 in the fair value hierarchy (in thousands):



	Three Months Ended September 30, 2014		Nine Months Ended September 30, 2014
Fair value of notes, beginning of period	$	—	$	4,300
Repayment of notes	—		(4,300		)
Fair value of notes, end of period	$	—	$	—

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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