Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details 1)

v2.4.1.9
Stock Based Compensation (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 28, 2014
Sep. 28, 2014
Sep. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Number of Shares Remaining Option, Outstanding - Beginning Balance 62,911,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber    
Number of Shares Remaining Option, Granted 73,751,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross    
Number of Shares Remaining Option, Outstanding - Ending Balance 62,911,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber    
Incentive Stock Option Plan      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Number of Shares Remaining Option, Outstanding - Beginning Balance 62,911,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
484,247,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Number of Shares Remaining Option, Granted    25,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Number of Shares Remaining Option, Forfeited    (5,336,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Number of shares remaining option, exercised    (5,000,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Number of Shares Remaining Option, Outstanding - Ending Balance 62,911,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
62,911,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Number of shares remaining option, exercisable 40,306,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
20,201,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Weighted Average Fair Value, Outstanding - Beginning Balance        
Weighted Average Fair Value, Granted   $ 0.01us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Weighted Average Fair Value, Forfeited       
Weighted Average Fair Value, Exercised   $ 0.01us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Weighted Average Fair Value, Outstanding - Ending Balance       
Weighted Average Fair Value, Exercisable        
Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Life [Abstract]      
Weighted Average Life (Years), Outstanding 3 years 0 months 18 days 3 years 4 months 28 days 3 years 6 months 22 days
Weighted Average Life (Years) Granted   5 years 2 months 19 days  
Weighted Average Life (Years) Exercisable 2 years 1 month 28 days 1 year 9 months 4 days  
Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Value [Roll Forward]      
Aggregate Value, Outstanding - Beginning Balance        
Aggregate Value, Granted   200opxs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalAggregateValue
/ us-gaap_PlanNameAxis
= opxs_IncentiveStockOptionPlanMember
 
Aggregate Value, Forfeited        
Aggregate Value, Exercised        
Aggregate Value, Outstanding - Ending Balance        
Aggregate Value, Exercisable