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Debt Financing (Detail Textuals) (USD $)
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1 Months Ended |
12 Months Ended |
1 Months Ended |
12 Months Ended |
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Nov. 27, 2013
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Nov. 30, 2011
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Sep. 28, 2014
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May 22, 2014
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Sep. 29, 2013
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Feb. 20, 2009
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Mar. 30, 2009
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| Debt Instrument [Line Items] |
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| Line of credit facility, maximum borrowing capacity |
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$ 1,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
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| Longview |
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| Debt Instrument [Line Items] |
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| Equity method investment, ownership percentage |
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100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_LongviewMember
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| Sileas Corp. and Longview Fund, LP | Secured Promissory Note |
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| Debt Instrument [Line Items] |
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| Debt instrument, issuance date |
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Feb. 20, 2009
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| Debt instrument, face amount |
14,100,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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17,500,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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13,500,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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| Debt instrument, extension fee amount |
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270,000us-gaap_DebtInstrumentFeeAmount
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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| Debt instrument face amount increase |
275,000opxs_DebtInstrumentFaceAmountIncrease
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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| Debt instrument, additional extension period |
2 years
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| Payment of extension fee percentage |
2.00%opxs_PaymentOfExtensionFeePercentage
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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| Accrued and unpaid interest |
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3,400,000us-gaap_InterestPayableCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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| Debt instrument, interest rate during period |
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4.00%us-gaap_DebtInstrumentInterestRateDuringPeriod
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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| Debt instrument interest rate increase upon default |
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10.00%opxs_DebtInstrumentInterestRateIncreaseUponDefault
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
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| Debt instrument, maturity date |
Feb. 20, 2016
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Feb. 20, 2014
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| Sileas Corporation |
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| Debt Instrument [Line Items] |
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| Equity method investment, ownership percentage |
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90.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasMember
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85.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasMember
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| Revolving Credit Facility | Avidbank |
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| Debt Instrument [Line Items] |
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| Line of credit facility, expiration date |
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May 21, 2016
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| Line of credit facility, maximum borrowing capacity |
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1,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
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| Line of credit facility maturity term |
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2 years
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| Line of credit facility, interest rate description |
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greater of 7.0% and the then in effect prime rate plus 2.5%
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| Line of credit facility, description |
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The loan period is from May 22nd through May 21st of the following year, beginning with the period of May 22, 2014 through May 21, 2015 and a revolving loan maturity date of May 21, 2016, at which time any outstanding advances, and accrued and unpaid interest thereon, will be due and payable.
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| Line of credit facility renewal fees due on the one year anniversary of the date of the loan agreement |
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5,000opxs_LineOfCreditFacilityRenewalFees
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
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| Line of credit facility, amount outstanding |
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0us-gaap_LineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
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| Line of credit facility, periodic payment, interest |
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21,000us-gaap_LineOfCreditFacilityPeriodicPaymentInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
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42,000us-gaap_LineOfCreditFacilityPeriodicPaymentInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
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| Interest income related to financing fees on a foreign sale |
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13,000us-gaap_InvestmentIncomeInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
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0us-gaap_InvestmentIncomeInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
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| Revolving Credit Facility | Avidbank | Minimum |
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| Debt Instrument [Line Items] |
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| Line of credit facility, periodic payment, interest |
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$ 10,000us-gaap_LineOfCreditFacilityPeriodicPaymentInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
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