Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity (Detail Textuals 1)

v2.4.1.9
Stockholders Equity (Detail Textuals 1) (USD $)
3 Months Ended 6 Months Ended 0 Months Ended
Mar. 29, 2015
Mar. 29, 2015
Apr. 03, 2015
Sep. 28, 2014
Mar. 26, 2015
May 05, 2015
Stockholders Equity [Line Items]            
Conversion price (in dollars per share) $ 0.01opxs_CommonStockConvertibleConversionPrice $ 0.01opxs_CommonStockConvertibleConversionPrice        
Convertible debt            
Stockholders Equity [Line Items]            
Principal amount $ 1,560,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
$ 1,560,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
       
Series A Preferred Stock            
Stockholders Equity [Line Items]            
Dividend on preferred stock recognized 1,500,000us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
1,500,000us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
       
Preferred stock, shares outstanding 1,001us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
1,001us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
  1,001us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
   
Preferred Stock, Shares Authorized 5,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
5,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
  5,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
   
Series B Preferred Stock            
Stockholders Equity [Line Items]            
Conversion price (in dollars per share)       0.0025opxs_CommonStockConvertibleConversionPrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
$ 0.0025opxs_CommonStockConvertibleConversionPrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Dividend on preferred stock recognized 4,900,000us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
4,900,000us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
       
Preferred stock, shares outstanding 1,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
1,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
  0us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
   
Preferred Stock, Shares Authorized 1,010us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
1,010us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
  0us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
   
Share price $ 0.01us-gaap_SharePrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
$ 0.01us-gaap_SharePrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
    $ 1,629.16us-gaap_SharePrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Stock issued upon conversion of debt   1,000us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
       
Subsequent Event            
Stockholders Equity [Line Items]            
Share price           $ 0.01us-gaap_SharePrice
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Subsequent Event | Series A Preferred Stock            
Stockholders Equity [Line Items]            
Conversion price (in dollars per share) $ 0.01opxs_CommonStockConvertibleConversionPrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
$ 0.01opxs_CommonStockConvertibleConversionPrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
$ 0.0025opxs_CommonStockConvertibleConversionPrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Preferred Stock With Beneficial Conversion Feature     75.5opxs_PreferredStockWithBeneficialConversionFeature
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Preferred stock, shares outstanding     926us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Additional retained earnings adjustment for dividend     $ 19,100,000opxs_AdditionalRetainedEarningsAdjustmentForDividend
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember