INVESTMENTS (Tables)

12 Months Ended

Mar. 31, 2013

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 March 31, 2013 and 2012 (in thousands):

	Available-for-Sale Investments
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
March 31, 2013	Cost		Gain		(Loss)			Value
Certificates of deposits	$	996	$	5	$	-		$	1,001
Corporate bonds		6,029		65		-			6,094
Municipal bonds		529		-		-			529
Total available-for-sale investments	$	7,554	$	70	$	-		$	7,624

	Held-to-Maturity Investments
			Gross		Gross
	Amortized		Unrecognized		Unrecognized			Fair
March 31, 2013	Cost		Gain		(Loss)			Value
Certificates of deposits	$	3,341	$	-	$	-		$	3,341
Corporate bonds		16,284		121		(3	)		16,402
Municipal bonds		13,105		32		(10	)		13,127
Total held-to-maturity investments	$	32,730	$	153	$	(13	)	$	32,870

	Available-for-Sale Investments
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
March 31, 2012	Cost		Gain		(Loss)			Value
Certificates of deposits	$	1,245	$	2	$	-		$	1,247
Corporate bonds		6,047		38		-			6,085
Municipal bonds		961		1		-			962
Total available-for-sale investments	$	8,253	$	41	$	-		$	8,294

	Held-to-Maturity Investments
			Gross		Gross
	Amortized		Unrecognized		Unrecognized			Fair
March 31, 2012	Cost		Gain		(Loss)			Value
Certificates of deposits	$	844	$	-	$	-		$	844
Corporate bonds		23,072		131		(31	)		23,172
Municipal bonds		12,921		71		(1	)		12,991
Total held-to-maturity investments	$	36,837	$	202	$	(32	)	$	37,007

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 March 31, 2013 and 2012 (in thousands):

	March 31, 2013				March 31, 2013
	Available-for-Sale Investments				Held-to-Maturity Investments
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	1,027	$	1,029	$	22,325	$	22,387
Due in 1 to 4 years		6,527		6,595		10,405		10,483
Total investments	$	7,554	$	7,624	$	32,730	$	32,870

	March 31, 2012				March 31, 2012
	Available-for-Sale Investments				Held-to-Maturity Investments
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	670	$	670	$	21,019	$	21,062
Due in 1 to 4 years		7,583		7,624		15,818		15,945
Total investments	$	8,253	$	8,294	$	36,837	$	37,007