INVESTMENTS (Tables)

6 Months Ended

Sep. 30, 2013

INVESTMENTS [Abstract]

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 September 30, 2013 and March 31, 2013 (in thousands):

	Available-for-Sale Investments
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
September 30, 2013	Cost		Gain		(Loss)			Value
Certificates of deposit	$	996	$	3	$	-		$	999
Corporate bonds		6,020		54		-			6,074
Total available-for-sale investments	$	7,016	$	57	$	-		$	7,073
	Held-to-Maturity Investments
			Gross		Gross
	Amortized		Unrecognized		Unrecognized			Fair
September 30, 2013	Cost		Gain		(Loss)			Value
Certificates of deposit	$	3,735	$	-	$	(5	)	$	3,730
Corporate bonds		16,285		63		(16	)		16,332
Municipal bonds		5,323		6		(67	)		5,262
Total held-to-maturity investments	$	25,343	$	69	$	(88	)	$	25,324

	Available-for-Sale Investments
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
March 31, 2013	Cost		Gain		(Loss)			Value
Certificates of deposit	$	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 deposit	$	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

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 September 30, 2013 and March 31, 2013 (in thousands):

	September 30, 2013				September 30, 2013
	Available-for-Sale Investments				Held-to-Maturity Investments
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	996	$	999	$	13,448	$	13,474
Due in 1 to 4 years		6,020		6,074		11,895		11,850
Total investments	$	7,016	$	7,073	$	25,343	$	25,324
	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