Balance Sheets (Unaudited) (USD $)	Dec. 31, 2014	Jun. 30, 2014
ASSETS:
Cash and cash equivalents	$ 10,237,837	$ 9,556,891
Investment securities, available for sale	4,393,158us-gaap_AvailableForSaleSecurities	4,910,893us-gaap_AvailableForSaleSecurities
Trade accounts receivable, net of allowance of $3,000 at December 31, 2014 and June 30, 2014	3,386,994us-gaap_AccountsReceivableNetCurrent	3,194,678us-gaap_AccountsReceivableNetCurrent
Income tax receivable	265,996us-gaap_IncomeTaxesReceivable	943,234us-gaap_IncomeTaxesReceivable
Inventories:
Raw materials	1,642,771us-gaap_InventoryRawMaterials	1,616,990us-gaap_InventoryRawMaterials
Work-in-process	906,414us-gaap_InventoryWorkInProcess	792,618us-gaap_InventoryWorkInProcess
Costs relating to contracts in process, net of advance payments of $19,626 at December 31, 2014 and $142,616 at June 30, 2014	8,974,607	8,201,642
Total inventories	11,523,792us-gaap_InventoryNet	10,611,250us-gaap_InventoryNet
Deferred income taxes	229,088us-gaap_DeferredTaxAssetsNetCurrent	324,823us-gaap_DeferredTaxAssetsNetCurrent
Prepaid expenses and other current assets	62,340	177,776
Total current assets	30,099,205us-gaap_AssetsCurrent	29,719,545us-gaap_AssetsCurrent
Property, plant and equipment, net	2,504,965us-gaap_PropertyPlantAndEquipmentNet	2,678,901us-gaap_PropertyPlantAndEquipmentNet
Total assets	32,604,170us-gaap_Assets	32,398,446us-gaap_Assets
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	877,533us-gaap_AccountsPayableCurrent	727,281us-gaap_AccountsPayableCurrent
Accrued expenses:
Salaries, wages and commissions	173,765us-gaap_AccruedSalariesCurrent	413,989us-gaap_AccruedSalariesCurrent
Vacation	532,743us-gaap_AccruedVacationCurrent	693,286us-gaap_AccruedVacationCurrent
ESOP payable	159,928us-gaap_AccruedEmployeeBenefitsCurrent
Other	199,920	579,953
Payroll and other taxes withheld	47,724us-gaap_AccruedPayrollTaxesCurrent	53,553us-gaap_AccruedPayrollTaxesCurrent
Total current liabilities	1,991,613us-gaap_LiabilitiesCurrent	2,468,062us-gaap_LiabilitiesCurrent
Deferred income taxes	227,650	283,439
Total liabilities	2,219,263us-gaap_LiabilitiesNoncurrent	2,751,501us-gaap_LiabilitiesNoncurrent
Common stock, par value $.33-1/3 per share. Authorized 10,000,000 shares; Issued 3,029,874 shares on December 31, 2014 and June 30, 2014. Outstanding 2,355,357 and 2,368,110 on December 31, 2014 and June 30, 2014, respectively (includes 88,333 and 97,500 unearned ESOP shares)	1,009,958us-gaap_CommonStockValue	1,009,958us-gaap_CommonStockValue
Capital in excess of par value	16,484,513	16,429,220
Accumulated other comprehensive income	(2,850)	(1,437)
Retained earnings	21,944,926	20,946,940
Total stockholders equity before ESOP	39,436,547	38,384,681
Less: Unearned ESOP shares	(1,408,872)us-gaap_UnearnedESOPShares	(1,408,872)us-gaap_UnearnedESOPShares
Treasury shares, cost of 674,517 and 661,764 shares on December 31, 2014 and June 30, 2014, respectively	(7,642,768)us-gaap_TreasuryStockValue	(7,328,864)us-gaap_TreasuryStockValue
Total stockholders' equity	30,384,907us-gaap_StockholdersEquity	29,646,945us-gaap_StockholdersEquity
Total liabilities and stockholders' equity	$ 32,604,170	$ 32,398,446

Total of all stockholders' equity (deficit) items, before ESOP and Treasury stock.

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Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.

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