INVESTMENTS (Tables)

9 Months Ended

Dec. 31, 2014

Available-for-sale and held-to-maturity investments

Our investments are classified as either available-for-sale or held-to-maturity. The following table summarizes available-for-sale and held-to-maturity investments as of December 31, 2014 and March 31, 2014 (in thousands):

	Available-for-Sale Investments
December 31, 2014	Amortized Cost		Gross Unrealized Gain		Gross Unrealized (Loss)			Fair Value
Corporate bonds	$	4,355	$	-	$	(37	)	$	4,318
Total available-for-sale investments	$	4,355	$	-	$	(37	)	$	4,318

	Held-to-Maturity Investments
December 31, 2014	Amortized Cost		Gross Unrecognized Gain		Gross Unrecognized (Loss)			Fair Value
Certificates of deposit	$	6,716	$	-	$	(8	)	$	6,708
Commercial paper		7,488		-		(2	)		7,486
Corporate bonds		21,812		19		(100	)		21,731
Municipal bonds		3,008		16		(2	)		3,022
Total held-to-maturity investments	$	39,024	$	35	$	(112	)	$	38,947

	Available-for-Sale Investments
March 31, 2014	Amortized Cost		Gross Unrealized Gain		Gross Unrealized (Loss)			Fair Value
Certificates of deposit	$	498	$	1	$	-		$	499
Corporate bonds		10,392		32		(42	)		10,382
Total available-for-sale investments	$	10,890	$	33	$	(42	)	$	10,881

	Held-to-Maturity Investments
March 31, 2014	Amortized Cost		Gross Unrecognized Gain		Gross Unrecognized (Loss)			Fair Value
Certificates of deposit	$	5,722	$	-	$	(8	)	$	5,714
Commercial paper		12,991		-		(1	)		12,990
Corporate bonds		14,920		65		(33	)		14,952
Municipal bonds		3,079		20		(29	)		3,070
Total held-to-maturity investments	$	36,712	$	85	$	(71	)	$	36,726

Amortized cost and fair value of investments, classified by stated maturity

The following table summarizes the amortized cost and fair value of our investments, classified by stated maturity as of December 31, 2014 and March 31, 2014 (in thousands):

	December 31, 2014				December 31, 2014
	Available-for-Sale Investments				Held-to-Maturity Investments
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	-	$	-	$	19,508	$	19,499
Due in 1 to 4 years		4,355		4,318		19,516		19,448
Total investments	$	4,355	$	4,318	$	39,024	$	38,947

	March 31, 2014				March 31, 2014
	Available-for-Sale Investments				Held-to-Maturity Investments
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	6,509	$	6,542	$	22,560	$	22,571
Due in 1 to 4 years		4,381		4,339		14,152		14,155
Total investments	$	10,890	$	10,881	$	36,712	$	36,726