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Note G - Employee Benefit Plans (Details Textual) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2004 | Jun. 30, 2015 | Jun. 30, 2014
First Contributions [Member] |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 100.00% |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 3.00% |  |
Next Contributions [Member] |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 50.00% |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 2.00% |  |
Large-cap Funds [Member] |  |  |
Defined Benefit Plan Equity Securities by Type, Percentage |  | 76.00% |
Emerging Market Equity Funds [Member] |  |  |
Defined Benefit Plan Equity Securities by Type, Percentage |  | 13.00% |
International Equity Funds [Member] |  |  |
Defined Benefit Plan Equity Securities by Type, Percentage |  | 11.00% |
Short-term Fixed Income Funds [Member] |  |  |
Defined Benefit Plan Debt Securities by Type, Percentage |  | 32.00% |
High-yield Fixed Income Funds [Member] |  |  |
Defined Benefit Plan Debt Securities by Type, Percentage |  | 14.00% |
Intermediate Fixed Income Funds [Member] |  |  |
Defined Benefit Plan Debt Securities by Type, Percentage |  | 38.00% |
REIT and MPL Funds [Member] |  |  |
Defined Benefit Plan Debt Securities by Type, Percentage |  | 12.00% |
International Emerging Markets Funds [Member] |  |  |
Defined Benefit Plan Debt Securities by Type, Percentage |  | 4.00% |
Defined Contribution Plan, Employer Discretionary Contribution Amount |  | $ 225,000 | $ 184,000
Health Insurance Plan Premium Expense |  | $ 1,100,000 | $ 956,000
Number of Years Compensation Used for Benefit Obligation Assumptions |  | 5 years |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate |  | 4.40% | 4.30%
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year |  | $ 46,000 |

X
- Definition Percentage of debt securities by type of publicly traded funds. + References No definition available. + Details
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X
- Definition Percentage of equity securities by type of publicly traded funds. + References No definition available. + Details
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X
- Definition The expense in the period incurred with respect to providing health care benefits to employees. + References No definition available. + Details
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X
- Definition The period of employment before retirement that is used to determine what amount of compensation to use as a a baseline for the companies defined benefit plan. + References No definition available. + Details
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X
- Definition Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). + References No definition available. + Details
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X
- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Details
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