Consoldiated Statements of Stockholders Equity and Comprehensive Income (Parenthetical) (USD $)	12 Months Ended
Oct. 27, 2012	Oct. 29, 2011
Statement of Stockholders' Equity [Abstract]
Taxes due to unrealized gains on securities arising during period	$ 155,050	$ 64,366

Unrealized Holding Losses On Securities Arising During Period Tax Expense

No definition available.

Name:	OPST_UnrealizedHoldingLossesOnSecuritiesArisingDuringPeriodTax
Namespace Prefix:	OPST_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration