DEBT, (Long-term) (Details)	12 Months Ended
	Jun. 30, 2015 USD ($) Quarter	Jun. 30, 2014 USD ($)	Jun. 30, 2010
Debt Instrument [Line Items]
Long-term debt, total	$ 13,802,000	$ 18,404,000
Less: current maturities	(3,571,000)	(3,604,000)
Total long-term debt	$ 10,231,000	14,800,000
Interest rate on senior notes (in hundredths)	6.05%
Maturities of long-term debt [Abstract]
2016	$ 3,571,000
2017	0
2018	10,208,000
2019	0
2020	0
Thereafter	23,000
Long-term debt, total	13,802,000	18,404,000
Line of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	1,689,000	3,372,000
Revolving Loan Agreement [Member]
Debt Instrument [Line Items]
Long-term debt, total	10,208,000	11,200,000
Maturities of long-term debt [Abstract]
Long-term debt, total	$ 10,208,000	$ 11,200,000
Revolving Loan Agreement [Member] | Wells Fargo Bank, National Association [Member]
Debt Instrument [Line Items]
Expiration date	May 31, 2018
Basis spread on variable rate (in hundredths)	1.00%
Effective interest rate (in hundredths)	1.20%	1.16%
Number of recent quarters considered for minimum EBITDA | Quarter	4
Minimum adjusted Equity requirement	$ 124,741,000
Outstanding balance	10,208,000	$ 11,200,000
Maximum borrowing capacity	60,000,000
Additional borrowing capacity	$ 10,000,000
Commitment fee percentage of unused capacity (in hundredths)	0.15%
EBITDA Ratio	3.0
10-year Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt, total	$ 3,571,000	7,143,000
Maturity period of unsecured senior notes	10 years
Maturities of long-term debt [Abstract]
Long-term debt, total	$ 3,571,000	7,143,000
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term debt, total	0	29,000
Maturities of long-term debt [Abstract]
Long-term debt, total	0	29,000
Other Long-Term Debt [Member]
Debt Instrument [Line Items]
Long-term debt, total	23,000	32,000
Maturities of long-term debt [Abstract]
Long-term debt, total	23,000	32,000
Senior Notes [Member]
Debt Instrument [Line Items]
Less: current maturities	$ (3,571,429)	(3,571,429)
Total long-term debt		$ 3,571,429
Basis spread on variable rate (in hundredths)	1.00%	1.00%
Number of recent quarters considered for minimum EBITDA | Quarter	4
Effective date of Note Agreement	Apr. 10, 2006
Interest rate on senior notes (in hundredths)	6.05%	6.05%
Maturity date of note agreement	Apr. 10, 2016
Periodic payment of interest and principal	$ 3,571,429
Date of first required payment			Apr. 10, 2010
Minimum amount attributable to covenants not covered	1,000,000
Minimum EBITDA	$ 11,000,000
EBITDA Ratio	3.0
Revised EBITDA	$ 3,300,000
Maximum potential sale and purchase value	$ 50,000,000
Issuance fees (in hundredths)	0.10%
Aggregate outstanding principal not to exceed	$ 35,000,000