Quarterly report pursuant to Section 13 or 15(d)

Debt Financing (Detail Textuals)

v2.4.1.9
Debt Financing (Detail Textuals) (USD $)
1 Months Ended 3 Months Ended
May 22, 2014
Dec. 28, 2014
Dec. 29, 2013
Debt Instrument [Line Items]      
Line of credit facility, maximum borrowing capacity   $ 1,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity  
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
 
Interest expense   5,000us-gaap_InterestExpenseDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= opxs_AvidbankMember
8,000us-gaap_InterestExpenseDebt
/ 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