INVESTMENTS (Details) (USD $)	3 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 10,379,000		$ 10,890,000
Gross Unrealized Gain	21,000		33,000
Gross Unrealized (Loss)	(22,000)		(42,000)
Fair Value	10,378,000		10,881,000
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	28,172,000		36,712,000
Gross Unrecognized Gain	88,000		85,000
Gross Unrecognized (Loss)	(39,000)		(71,000)
Fair Value, Total investments	28,221,000		36,726,000
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Other-than-temporary impairment	0		0
Unrealized gain (loss) on available-for-sale investments, net of related income taxes	(1,000)		(5,000)
Redemptions of investments	1,300,000	623,000
Available-for-sale investments by stated maturity, amortized cost [Abstract]
Amortized Cost, Due in less than one year	6,007,000		6,509,000
Amortized Cost, Due in 1 to 4 years	4,372,000		4,381,000
Amortized Cost, Total investments	10,379,000		10,890,000
Available-for-sale investments by stated maturity, fair value [Abstract]
Fair Value, Due in less than one year	6,028,000		6,542,000
Fair Value, Due in 1 to 4 years	4,350,000		4,339,000
Fair Value, Total Investments	10,378,000		10,881,000
Held-to-maturity investments by stated maturity, amortized cost [Abstract]
Amortized Cost, Due in less than one year	14,111,000		22,560,000
Amortized Cost, Due in 1 to 4 years	14,061,000		14,152,000
Amortized Cost, Total investments	28,172,000		36,712,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Due in less than one year	14,108,000		22,571,000
Fair Value, Due in 1 to 4 years	14,113,000		14,155,000
Fair Value, Total investments	28,221,000		36,726,000
Certificates of Deposit [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	3,481,000		5,722,000
Gross Unrecognized Gain	0		0
Gross Unrecognized (Loss)	(6,000)		(8,000)
Fair Value, Total investments	3,475,000		5,714,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Total investments	3,475,000		5,714,000
Commercial Paper [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	6,996,000		12,991,000
Gross Unrecognized Gain	1,000		0
Gross Unrecognized (Loss)	0		(1,000)
Fair Value, Total investments	6,997,000		12,990,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Total investments	6,997,000		12,990,000
Corporate Bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	14,640,000		14,920,000
Gross Unrecognized Gain	56,000		65,000
Gross Unrecognized (Loss)	(24,000)		(33,000)
Fair Value, Total investments	14,672,000		14,952,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Total investments	14,672,000		14,952,000
Municipal Bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	3,055,000		3,079,000
Gross Unrecognized Gain	31,000		20,000
Gross Unrecognized (Loss)	(9,000)		(29,000)
Fair Value, Total investments	3,077,000		3,070,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Total investments	3,077,000		3,070,000
Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost			498,000
Gross Unrealized Gain			1,000
Gross Unrealized (Loss)			0
Fair Value			499,000
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	10,379,000		10,392,000
Gross Unrealized Gain	21,000		32,000
Gross Unrealized (Loss)	(22,000)		(42,000)
Fair Value	$ 10,378,000		$ 10,382,000