INVESTMENTS (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 6,514,000		$ 6,514,000		$ 7,554,000
Gross Unrealized Gain			46,000		70,000
Gross Unrealized (Loss)			0		0
Fair Value	6,560,000		6,560,000		7,624,000
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	21,546,000		21,546,000		32,730,000
Gross Unrecognized Gain			43,000		153,000
Gross Unrecognized (Loss)			(40,000)		(13,000)
Fair Value, Total investments	21,549,000		21,549,000		32,870,000
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	27,000		27,000		42,000
Redemptions of investments	0	0	623,000	717,000
Available-for-sale investments by stated maturity, amortized cost [Abstract]
Amortized Cost, Due in less than one year	6,514,000		6,514,000		1,027,000
Amortized Cost, Due in 1 to 4 years	0		0		6,527,000
Amortized Cost, Total investments	6,514,000		6,514,000		7,554,000
Available-for-sale investments by stated maturity, fair value [Abstract]
Fair Value, Due in less than one year	6,560,000		6,560,000		1,029,000
Fair Value, Due in 1 to 4 years	0		0		6,595,000
Fair Value, Total Investments	6,560,000		6,560,000		7,624,000
Held-to-maturity investments by stated maturity, amortized cost [Abstract]
Amortized Cost, Due in less than one year	11,001,000		11,001,000		22,325,000
Amortized Cost, Due in 1 to 4 years	10,545,000		10,545,000		10,405,000
Amortized Cost, Total investments	21,546,000		21,546,000		32,730,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Due in less than one year	11,023,000		11,023,000		22,387,000
Fair Value, Due in 1 to 4 years	10,526,000		10,526,000		10,483,000
Fair Value, Total investments	21,549,000		21,549,000		32,870,000
Certificates of Deposit [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	3,735,000		3,735,000		3,341,000
Gross Unrecognized Gain			0		0
Gross Unrecognized (Loss)			(2,000)		0
Fair Value, Total investments	3,733,000		3,733,000		3,341,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Total investments	3,733,000		3,733,000		3,341,000
Corporate Bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	13,710,000		13,710,000		16,284,000
Gross Unrecognized Gain			42,000		121,000
Gross Unrecognized (Loss)			0		(3,000)
Fair Value, Total investments	13,752,000		13,752,000		16,402,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Total investments	13,752,000		13,752,000		16,402,000
Municipal Bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	4,101,000		4,101,000		13,105,000
Gross Unrecognized Gain			1,000		32,000
Gross Unrecognized (Loss)			(38,000)		(10,000)
Fair Value, Total investments	4,064,000		4,064,000		13,127,000
Held-to-maturity investments by stated maturity, fair value [Abstract]
Fair Value, Total investments	4,064,000		4,064,000		13,127,000
Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	498,000		498,000		996,000
Gross Unrealized Gain			1,000		5,000
Gross Unrealized (Loss)			0		0
Fair Value	499,000		499,000		1,001,000
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	6,016,000		6,016,000		6,029,000
Gross Unrealized Gain			45,000		65,000
Gross Unrealized (Loss)			0		0
Fair Value	6,061,000		6,061,000		6,094,000
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost					529,000
Gross Unrealized Gain					0
Gross Unrealized (Loss)					0
Fair Value					$ 529,000