Annual report pursuant to Section 13 and 15(d)

Debt Financing (Detail Textuals)

v2.4.1.9
Debt Financing (Detail Textuals) (USD $)
1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Nov. 27, 2013
Nov. 30, 2011
Sep. 28, 2014
May 22, 2014
Sep. 29, 2013
Feb. 20, 2009
Mar. 30, 2009
Debt Instrument [Line Items]              
Line of credit facility, maximum borrowing capacity     $ 1,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity        
Longview              
Debt Instrument [Line Items]              
Equity method investment, ownership percentage           100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_LongviewMember
 
Sileas Corp. and Longview Fund, LP | Secured Promissory Note              
Debt Instrument [Line Items]              
Debt instrument, issuance date     Feb. 20, 2009        
Debt instrument, face amount 14,100,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
  17,500,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
    13,500,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
 
Debt instrument, extension fee amount           270,000us-gaap_DebtInstrumentFeeAmount
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
 
Debt instrument face amount increase 275,000opxs_DebtInstrumentFaceAmountIncrease
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
           
Debt instrument, additional extension period 2 years            
Payment of extension fee percentage 2.00%opxs_PaymentOfExtensionFeePercentage
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
           
Accrued and unpaid interest     3,400,000us-gaap_InterestPayableCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
       
Debt instrument, interest rate during period     4.00%us-gaap_DebtInstrumentInterestRateDuringPeriod
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
       
Debt instrument interest rate increase upon default     10.00%opxs_DebtInstrumentInterestRateIncreaseUponDefault
/ us-gaap_DebtInstrumentAxis
= opxs_SecuredPromissoryNoteMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasCorpAndLongviewFundLpMember
       
Debt instrument, maturity date Feb. 20, 2016 Feb. 20, 2014          
Sileas Corporation              
Debt Instrument [Line Items]              
Equity method investment, ownership percentage           90.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasMember
85.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= opxs_SileasMember
Revolving Credit Facility | Avidbank              
Debt Instrument [Line Items]              
Line of credit facility, expiration date       May 21, 2016      
Line of credit facility, maximum borrowing capacity       1,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
     
Line of credit facility maturity term       2 years      
Line of credit facility, interest rate description       greater of 7.0% and the then in effect prime rate plus 2.5%      
Line of credit facility, description     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.        
Line of credit facility renewal fees due on the one year anniversary of the date of the loan agreement     5,000opxs_LineOfCreditFacilityRenewalFees
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
       
Line of credit facility, amount outstanding     0us-gaap_LineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
       
Line of credit facility, periodic payment, interest     21,000us-gaap_LineOfCreditFacilityPeriodicPaymentInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
  42,000us-gaap_LineOfCreditFacilityPeriodicPaymentInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
   
Interest income related to financing fees on a foreign sale     13,000us-gaap_InvestmentIncomeInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
  0us-gaap_InvestmentIncomeInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
   
Revolving Credit Facility | Avidbank | Minimum              
Debt Instrument [Line Items]              
Line of credit facility, periodic payment, interest     $ 10,000us-gaap_LineOfCreditFacilityPeriodicPaymentInterest
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember