The contractual life of stock options under the Company's plans.
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodContractualTerm
Granted
Amount of deferred tax benefit attributable to unrecognized share-based compensation.
Deferred tax benefit related to unrecognized compensation costs
Name of the equity-based compensation arrangement plan.
2007 Plan [Member]
Name of the equity-based compensation arrangement plan.
2000 Plan [Member]
The entire disclosure for employee stock ownership plan.
EmployeeStockOwnershipPlanTextBlock
Employee Stock Ownership Plan
Information by name of employee stock ownership plan.
Employee Stock Ownership Plan [Member]
Employee Stock Ownership Plan [Member]
Minimum number of hours worked per year for nonunion employees to participate in ESOP.
Number of hours worked per year
Total of all stockholders' equity (deficit) items, before ESOP and Treasury stock.
TotalStockholdersEquityBeforyEsopAndTreasuryStock
Total stockholders equity before ESOP
Document And Entity Information [Abstract]
Basis of Presentation [Abstract]
Net Income per Share [Abstract]
Amendment Flag
Recently Issued Accounting Standards [Abstract]
Employee Stock Ownership Plan [Abstract]
Weighted Average Assumptions
Number of Shares Subject to Options
Weight Average Exercise Price
Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value
Average Grant Date Fair Value
Weighted Average Number of Shares Subject to Option
Current Fiscal Year End Date
Accrual of Dividends
Accrual of dividends
Represents the amount of dividends accrued in noncash investing or financing activities.
Unearned ESOP Shares Cost
Less: Unearned ESOP shares
Cost of unearned shares that qualify as permanent equity that are held by an employee stock ownership plan (ESOP).
Document Period End Date
Award Type [Axis]
Is Entity a Well-known Seasoned Issuer
Is Entity a Voluntary Filer
Is Entity's Reporting Status Current
Entity Filer Category
Entity Registrant Name
Entity Central Index Key
Entity Common Stock, Shares Outstanding
Entity Common stock, per share value
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Type
Accounts payable
Trade accounts receivable, net
Trade accounts receivable, net of allowance of $3,000
Accrued expenses:
Salaries and wages
Payroll and other taxes withheld
Income taxes payable
ESOP payable
Vacation
Accumulated other comprehensive loss
Capital in excess of par value
Adjustments to reconcile net income to net cash provided by operating activities:
Stock based compensation expense
Allowance for Doubtful Accounts Receivable
Trade accounts receivable, allowance
Allowance for Doubtful Accounts Receivable, Current
Trade accounts receivable, allowance
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Anti-dilutive securities
ASSETS:
Assets
Total assets
Assets, Current
Total current assets
Available-for-sale Securities [Table Text Block]
Schedule of cost, gross unrealized gains, gross unrealized losses and fair value of available-for-sale securities by major security type
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax
Gross Unrealized Gains
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Gross Unrealized Losses
Available-for-sale Securities, Current
Investment securities
Fair Value
Fair Value
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value
One to Five Years
Available-for-sale Securities, Debt Maturities, Single Maturity Date [Abstract]
Contractual maturities of available-for-sale securities
Amortized Cost
Available-for-sale Securities, Amortized Cost Basis
Amortized Cost
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value
Less than One Year
Basis of Presentation
Cash and cash equivalents
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Cash and Cash Equivalents, Period Increase (Decrease)
Increase in cash and cash equivalents
Certificates of Deposit [Member]
Certificates of deposit [Member]
Commitments and contingencies (see Note 5)
Commitments and Contingencies.
Commitments and Contingencies
Commitments and Contingencies [Abstract]
Common stock, par value $.33-1/3 per share. Authorized 10,000,000 shares; Issued 3,029,874 shares as of December 31, 2015 and June 30, 2015. Outstanding 0 as of December 31, 2015 and 2,362,687 as of June 30, 2015 (includes 0 and 79,167 Unearned ESOP shares, respectively)
Common stock, par value $.33-1/3 per share. Authorized 10,000,000 shares; Issued 3,029,874 shares on December 31, 2015 and June 30, 2015. Outstanding 2,352,184 and 2,362,687 on December 31, 2015 and June 30, 2015, respectively (includes 70,417 and 79,167 Unearned ESOP shares, respectively)
Common stock, shares issued
Common Stock, Dividends, Per Share, Cash Paid
Cash divided paid (in dollars per share)
Common stock, shares authorized
Dividends per share:
Common stock, par value
Common stock, shares outstanding
Common Stock, Shares Held in Employee Trust, Shares
Unearned ESOP, shares
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Total comprehensive income
Cost of sales
Deferred income tax expense
Deferred income taxes
Deferred Tax Assets, Net of Valuation Allowance, Current
Deferred tax liability
Deferred Tax Liabilities, Net, Noncurrent
Depreciation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Stock Based Compensation
Stock Based Compensation [Abstract]
Dividends Payable, Current
Dividend payable
Net Income per Share
Basic
Diluted
Net income per share:
Stock Option Plans [Member]
Period in which compensation cost will be recognized
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
ESOP compensation expense
Deferred tax benefit related to stock based compensation
Unrecognized compensation costs
Employee Stock Ownership Plan (ESOP) Name [Axis]
Unearned ESOP, shares
Fair value of unreleased shares
Plan description
Employee Stock Ownership Plan ESOP Plan [Domain]
Total shares held by the ESOP
Total shares held by the ESOP
Allocated shares
Committed-to-be-released shares
Unreleased shares
Excess tax benefits from share-based compensation
Excess Tax Benefit from Share-based Compensation, Operating Activities
Excess tax benefits from share-based compensation
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Loss on disposal of assets
Accrued amount within the range that appears to be possible outcome
Gain Contingency, Unrecorded Amount
Gross Profit
Gross profit
Statement of Comprehensive Income [Abstract]
Provision for income taxes
Income taxes paid
Income tax receivable
Income taxes receivable
Decrease (increase) in trade receivable, net
Increase (Decrease) in Accounts Receivable
Increase in income taxes payable
Decrease in accrued salaries and wages
Increase in accounts payable
(Decrease) increase in accounts payable
Decrease in other accrued expenses
Changes in assets and liabilities:
Decrease in ESOP payable
Increase (Decrease) in Inventories
Increase in inventories, net
(Increase) decrease in income taxes receivable
Increase (Decrease) in Income Taxes Receivable
Decrease in vacation accrual
Decrease in prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Increase (decrease) in payroll and other taxes withheld
Inventories:
Costs relating to contracts in process, net of advance payments of $0 at December 31, 2015 and $19,626 at June 30, 2015
Costs relating to contracts in process, net of advance payments of $2,174 at December 31, 2015 and $19,626 at June 30, 2015
Inventory, Net
Total inventories
Work-in-process
Raw materials
Interest income
Fair Value of Financial Instruments and Investments
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Investments Classified by Contractual Maturity Date [Table Text Block]
Schedule of contractual maturities of available-for-sale securities
Fair Value of Financial Instruments and Investments [Abstract]
Liabilities, Current
Total current liabilities
Liabilities, Noncurrent
Total liabilities
Liabilities
Total liabilities
LIABILITIES AND STOCKHOLDERS' EQUITY:
Liabilities and Equity
Total liabilities and stockholders' equity
Major Types of Debt and Equity Securities [Domain]
Major Types of Debt and Equity Securities [Axis]
Investment securities
Municipal Bonds [Member]
Municipal bonds [Member]
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Cash Flows from Financing Activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Cash Flows from Operating Activities:
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Net cash (used in) provided by investing activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Net cash provided by operating activities
Net income
Net income
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Cash Flows from Investing Activities:
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Net cash used in financing activities
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
Recently Issued Accounting Standards
Supplemental Schedule of Non-cash Financing Activities:
Noncash Investing and Financing Items [Abstract]
Nonoperating Income (Expense)
Total other income
Loan receivable
Operating income
Operating Income (Loss)
Other income
Unrealized gain (loss) on investment securities
Unrealized loss on investment securities
Unrealized (loss) gain on investment securities
Other
Other Nonoperating Income
Other
Other comprehensive income, net of tax:
Payments for Repurchase of Common Stock
Purchase of treasury stock
Payments of Ordinary Dividends, Common Stock
Dividends on common stock
Payments to Acquire Available-for-sale Securities
Purchase of investment securities
Additions to property, plant and equipment
Payments to Acquire Property, Plant, and Equipment
Plan Name [Axis]
Plan Name [Domain]
Prepaid expenses and other current assets
Proceeds from loan receivable
Proceeds from exercise of stock options
Proceeds from sale/maturity of investment securities
Sale of treasury stock
Advance payments of costs related to contracts in process
Property, plant and equipment, net
Retained earnings
Exercisable, end of period
Expected option life (in years)
Balance, beginning
Outstanding, ending
Non-vested, beginning balance
Non-vested, ending balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
Vested
Balance, beginning
Outstanding, ending
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares
Vested
Vested
Vested or expected to vest, end of period
Forfeited or expired
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
Forfeited or expired
Forfeited or expired
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares
Net sales
Schedule of changes in non-vested stock options
Schedule of stock option activity
Schedule of weighted average assumptions for option awards
Schedule of Available-for-sale Securities [Table]
Investment in Fair Value [Line Items]
Schedule of Available-for-sale Securities [Line Items]
Schedule of Employee Stock Ownership Plan (ESOP) Disclosures [Table]
Schedule of ESOP shares
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Selling, general and administrative expenses
Weighted average fair value per share of options granted
Exercised
Exercised
Exercised
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Stock-based compensation
Granted
Options granted
Stock-Based Compensation [Line Items]
Granted
Dividend yield
Exercisable, end of period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Forfeited or expired
Forfeited or expired
Forfeited or expired
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Expected stock price volatility
Authorized shares under plan
Risk-free interest rate
Forfeited or expired
Forfeited or expired
Aggregate intrinsic value of options exercised
Exercisable, end of period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Vested or expected to vest, end of period
Exercisable, end of period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price
Outstanding end of period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Balance, beginning
Outstanding, ending
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Balance, beginning
Outstanding, ending
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Vested or expected to vest, end of period
Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Vested or expected to vest, end of period
Statements of Cash Flows [Abstract]
Balance Sheets [Abstract]
Stock Redeemed or Called During Period, Value
Stock repurchased
Exercised
Exercised
Stock repurchased (in shares)
Stock Repurchased During Period, Shares
Stockholders' Equity Attributable to Parent
Total stockholders' equity
Supplemental Schedule of Cash Flow Information:
Treasury stock, shares
Treasury shares, cost of 0 and 661,764 shares on September 30, 2014 and June 30, 2014, respectively
Treasury shares, cost of 677,690 and 667,187 shares on December 31, 2015 and June 30, 2015, respectively
Treasury Stock, Value
Weighted average number of shares outstanding:
Basic
Weighted Average Number of Shares Outstanding, Basic
Diluted
Weighted Average Number of Shares Outstanding, Diluted