INVESTMENTS (Tables)

3 Months Ended

Jun. 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 June 30, 2013 and March 31, 2013 (in thousands):

	Available-for-Sale Investments
				Gross			Gross
	Amortized			Unrealized			Unrealized				Fair
June 30, 2013	Cost			Gain			(Loss)				Value
Certificates of deposits		$	996		$	4		$	-			$	1,000
Corporate bonds			6,025			44			-				6,069
Municipal bonds			526			-			-				526
Total available-for-sale investments		$	7,547		$	48		$	-			$	7,595
	Held-to-Maturity Investments
				Gross			Gross
	Amortized			Unrecognized			Unrecognized				Fair
June 30, 2013	Cost			Gain			(Loss)				Value
Certificates of deposits		$	3,735		$	-		$	(10	)		$	3,725
Corporate bonds			18,524			51			(53	)			18,522
Municipal bonds			6,202			14			(32	)			6,184
Total held-to-maturity investments		$	28,461		$	65		$	(95	)		$	28,431

	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

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

	June 30, 2013				June 30, 2013
	Available-for-Sale Investments				Held-to-Maturity Investments
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	1,522	$	1,526	$	16,229	$	16,264
Due in 1 to 4 years		6,025		6,069		12,232		12,167
Total investments	$	7,547	$	7,595	$	28,461	$	28,431
	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