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SHORT-TERM INVESTMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014
Available-for-sale securities:
Cost or Amortized Cost	$ 19,369
Gross Unrealized Gains	6
Gross Unrealized Losses	(33)
Fair Value	19,369
Amortized Cost
Due in 1-2 years	19,396
Total amortized cost	19,396
Fair Value
Due in 1-2 years	19,369
Total fair value	19,369
Corporate bonds
Available-for-sale securities:
Cost or Amortized Cost	19,396
Gross Unrealized Gains	6
Gross Unrealized Losses	(33)
Fair Value	$ 19,369

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Available-for-sale securities, debt maturities, after one through two years, amortized cost.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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