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Consolidated Balance Sheets (USD $)
Nov. 01, 2014
Oct. 26, 2013
CURRENT ASSETS    
Cash and cash equivalents $ 3,259,372us-gaap_CashAndCashEquivalentsAtCarryingValue $ 3,446,819us-gaap_CashAndCashEquivalentsAtCarryingValue
Marketable securities 8,001,647us-gaap_MarketableSecuritiesCurrent 6,953,906us-gaap_MarketableSecuritiesCurrent
Trade accounts receivable 1,495,707us-gaap_AccountsReceivableNetCurrent 1,049,651us-gaap_AccountsReceivableNetCurrent
Inventories 858,253us-gaap_InventoryGross 954,817us-gaap_InventoryGross
Prepaid expenses 17,069us-gaap_PrepaidExpenseCurrent 17,560us-gaap_PrepaidExpenseCurrent
Loans and exchanges 4,820us-gaap_LoansReceivableNet 7,055us-gaap_LoansReceivableNet
Prepaid taxes 54,563us-gaap_DeferredTaxAssetsNetCurrent 55,680us-gaap_DeferredTaxAssetsNetCurrent
Total current assets 13,691,431us-gaap_AssetsCurrent 12,485,488us-gaap_AssetsCurrent
PROPERTY AND EQUIPMENT    
Land 216,406us-gaap_Land 216,406us-gaap_Land
Building and improvements 980,398us-gaap_BuildingsAndImprovementsGross 935,176us-gaap_BuildingsAndImprovementsGross
Machinery and equipment 2,158,957us-gaap_MachineryAndEquipmentGross 2,160,803us-gaap_MachineryAndEquipmentGross
Automobiles 43,268OPST_Automobiles 43,268OPST_Automobiles
Total property and equipment 3,399,029us-gaap_PropertyPlantAndEquipmentGross 3,355,653us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation 2,377,080us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment 2,294,403us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Net property and equipment 1,021,949us-gaap_PropertyPlantAndEquipmentNet 1,061,250us-gaap_PropertyPlantAndEquipmentNet
OTHER ASSETS    
Deposits 2,837us-gaap_DepositAssets 22,671us-gaap_DepositAssets
Total assets 14,716,217us-gaap_Assets 13,569,409us-gaap_Assets
CURRENT LIABILITIES    
Accounts payable - trade 92,446us-gaap_AccountsPayableTradeCurrent 90,563us-gaap_AccountsPayableTradeCurrent
Accrued income taxes 20,313us-gaap_AccruedIncomeTaxesCurrent 54,950us-gaap_AccruedIncomeTaxesCurrent
Accrued salaries and wages 314,657us-gaap_EmployeeRelatedLiabilitiesCurrent 199,721us-gaap_EmployeeRelatedLiabilitiesCurrent
Accrued professional fees 38,357us-gaap_AccruedProfessionalFeesCurrent 96,540us-gaap_AccruedProfessionalFeesCurrent
Deferred income taxes 27,380us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent 22,690us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent
Other current liabilities 50,408us-gaap_AccountsPayableOtherCurrent 45,376us-gaap_AccountsPayableOtherCurrent
Total current liabilities 543,561us-gaap_LiabilitiesCurrent 509,840us-gaap_LiabilitiesCurrent
STOCKHOLDERS' EQUITY    
Common capital stock -par value $0.25 per share - authorized and issued 1,000,000 shares 250,000us-gaap_CommonStockValue 250,000us-gaap_CommonStockValue
Additional paid in capital 272,695us-gaap_AdditionalPaidInCapital 272,695us-gaap_AdditionalPaidInCapital
Retained earnings 13,755,871us-gaap_RetainedEarningsAccumulatedDeficit 12,641,792us-gaap_RetainedEarningsAccumulatedDeficit
Accumulated other comprehensive income:    
Unrealized holding gain on marketable securities 81,308us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax 82,300us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
Less treasury stock at cost - 224,415 shares (187,218)us-gaap_TreasuryStockValue (187,218)us-gaap_TreasuryStockValue
Total stockholders' equity 14,172,656us-gaap_StockholdersEquity 13,059,569us-gaap_StockholdersEquity
Total liabilities and stockholders' equity $ 14,716,217us-gaap_LiabilitiesAndStockholdersEquity $ 13,569,409us-gaap_LiabilitiesAndStockholdersEquity