Stock Based Compensation (Tables)
   | 
3 Months Ended | 
Dec. 31, 2017  | 
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | 
 
 | 
| Schedule of stock options granted to officers and employees | 
 As
of December 31, 2017, Optex Systems Holdings has granted stock options to officers and employees as follows: 
   
    | Date
    of | 
      | 
      | 
    Options | 
      | 
      | 
    Exercise | 
      | 
      | 
    Options
     Outstanding | 
      | 
      | 
    Expiration | 
      | 
      | 
    Vesting | 
      | 
 
    | Grant | 
      | 
      | 
    Granted | 
      | 
      | 
    Price | 
      | 
      | 
    As
    of 12/31/17 | 
      | 
      | 
    Date | 
      | 
      | 
    Period | 
      | 
 
    | 12/09/11 | 
      | 
      | 
      | 
    46,070 | 
      | 
      | 
    $ | 
    10.00 | 
      | 
      | 
      | 
    35,000 | 
      | 
      | 
    12/08/2018 | 
      | 
      | 
    4 years | 
      | 
 
    | 12/19/13 | 
      | 
      | 
      | 
    25,000 | 
      | 
      | 
    $ | 
    10.00 | 
      | 
      | 
      | 
    25,000 | 
      | 
      | 
    12/18/2020 | 
      | 
      | 
    4 years | 
      | 
 
    | Total | 
      | 
      | 
      | 
    71,070 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    60,000 | 
 
 
 | 
| Schedule of aggregate stock options granted under the incentive stock option plan | 
 The following table summarizes the status
of Optex Systems Holdings’ aggregate stock options granted under the incentive stock option plan: 
  
    |   | 
      | 
      | 
    Number | 
      | 
      | 
    Weighted | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    |   | 
      | 
      | 
    of Shares | 
      | 
      | 
    Average | 
      | 
      | 
    Weighted | 
      | 
      | 
    Aggregate | 
      | 
 
    |   | 
      | 
      | 
    Remaining | 
      | 
      | 
    Fair | 
      | 
      | 
    Average | 
      | 
      | 
    Value | 
      | 
 
    | Subject to Exercise | 
      | 
      | 
    Options | 
      | 
      | 
    Value | 
      | 
      | 
    Life (Years) | 
      | 
      | 
    (Thousands) | 
      | 
 
    | Outstanding as of October 2, 2016 | 
      | 
      | 
      | 
    60,340 | 
      | 
      | 
    $ | 
    — | 
      | 
      | 
      | 
    1.4 | 
      | 
      | 
    $ | 
    — | 
      | 
 
    | Granted – 2017 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Forfeited – 2017 | 
      | 
      | 
      | 
    (330 | 
    ) | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    — | 
      | 
 
    | Exercised – 2017 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    — | 
      | 
 
    | Outstanding as of October 1, 2017 | 
      | 
      | 
      | 
    60,010 | 
      | 
      | 
    $ | 
    — | 
      | 
      | 
      | 
    0.76 | 
      | 
      | 
    $ | 
    — | 
      | 
 
    | Granted – 2018 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Forfeited – 2018 | 
      | 
      | 
      | 
    (10 | 
    ) | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    — | 
      | 
 
    | Exercised – 2018 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    — | 
      | 
 
    | Outstanding as of December 31, 2017 | 
      | 
      | 
      | 
    60,000 | 
      | 
      | 
    $ | 
    — | 
      | 
      | 
      | 
    0.62 | 
      | 
      | 
    $ | 
    — | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Exercisable as of October 1, 2017 | 
      | 
      | 
      | 
    56,260 | 
      | 
      | 
    $ | 
    — | 
      | 
      | 
      | 
    0.60 | 
      | 
      | 
    $ | 
    — | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Exercisable as of December 31, 2017 | 
      | 
      | 
      | 
    60,000 | 
      | 
      | 
    $ | 
    — | 
      | 
      | 
      | 
    0.62 | 
      | 
      | 
    $ | 
    — | 
 
 
 | 
| Schedule of aggregate non-vested shares granted under the 2009 Stock Option Plan | 
 The
following table summarizes the status of Optex Systems Holdings’ aggregate non-vested shares granted under the 2009 Stock
Option Plan: 
  
    |   | 
      | 
      | 
    Number
    of Non-vested Shares Subject to Options | 
      | 
      | 
    Weighted- Average
    Grant-  Date Fair Value | 
      | 
 
    | Non-vested
    as of October 2, 2016 | 
      | 
      | 
      | 
    7,500 | 
      | 
      | 
    $ | 
    8.00 | 
      | 
 
    | Non-vested granted
    — year ended October 1, 2017 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
    — | 
      | 
 
    | Vested — year
    ended October 1, 2017 | 
      | 
      | 
      | 
    (3,750 | 
    ) | 
      | 
      | 
    8.00 | 
      | 
 
    | Forfeited — year
    ended October 1, 2017 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    — | 
      | 
 
    | Non-vested
    as of October 1, 2017 | 
      | 
      | 
      | 
    3,750 | 
      | 
      | 
    $ | 
    8.00 | 
      | 
 
    | Non-vested granted
    — three months ended December 31, 2017 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
    — | 
      | 
 
    | Vested — three
    months ended December 31, 2017 | 
      | 
      | 
      | 
    (3,750 | 
    ) | 
      | 
      | 
    8.00 | 
      | 
 
    | Forfeited — three
    months ended December 31, 2017 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    — | 
      | 
 
    | Non-vested
    as of December 31, 2017 | 
      | 
      | 
      | 
    -0- | 
      | 
      | 
    $ | 
    — | 
 
 
 | 
| Schedule of aggregate non-vested restricted stock units granted under the Company's 2016 Restricted Stock Unit Plan | 
 The
following table summarizes the status of Optex Systems Holdings’ aggregate non-vested restricted stock units granted under
the Company’s 2016 Restricted Stock Unit Plan: 
  
    |   | 
      | 
      | 
    Outstanding
    Unvested RSU’s | 
      | 
 
    | Unvested
    as of October 2, 2016 | 
      | 
      | 
      | 
    200,000 | 
      | 
 
    | Granted - year ended
    2017 | 
      | 
      | 
      | 
    50,000 | 
      | 
 
    | Vested - year ended
    2017 | 
      | 
      | 
      | 
    (68,000 | 
    ) | 
 
    | Unvested
    as of October 1, 2017 | 
      | 
      | 
      | 
    182,000 | 
      | 
 
    | Granted – three
    months ended December 31, 2017 | 
      | 
      | 
      | 
    — | 
      | 
 
    | Vested - three months
    ended December 31, 2017 | 
      | 
      | 
      | 
    — | 
      | 
 
    | Unvested
    as of December 31, 2017 | 
      | 
      | 
      | 
    182,000 | 
 
 
 | 
| Schedule of compensation costs | 
 The
recorded compensation costs for options and shares granted and restricted stock units awarded as well as the unrecognized compensation
costs are summarized in the table below: 
  
    |   | 
      | 
    Stock
    Compensation | 
      | 
 
    |   | 
      | 
    (thousands) | 
      | 
 
    |   | 
      | 
    Recognized
    Compensation Expense | 
      | 
      | 
    Unrecognized
    Compensation Expense | 
      | 
 
    |   | 
      | 
    Three
    months ended | 
      | 
      | 
    As
    of period ending | 
      | 
 
    |   | 
      | 
    December
    31, 2017 | 
      | 
      | 
    January
    1, 2017 | 
      | 
      | 
    December
    31, 2017 | 
      | 
      | 
    October
    1, 2017 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Stock Options | 
      | 
    $ | 
    8 | 
      | 
      | 
    $ | 
    10 | 
      | 
      | 
    $ | 
    — | 
      | 
      | 
    $ | 
    8 | 
      | 
 
    | Restricted Stock Units | 
      | 
      | 
    36 | 
      | 
      | 
      | 
    31 | 
      | 
      | 
      | 
    158 | 
      | 
      | 
      | 
    194 | 
      | 
 
    | Consultant Shares
    (IRTH) | 
      | 
      | 
    — | 
      | 
      | 
      | 
    23 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
    — | 
      | 
 
    | Total
    Stock Compensation | 
      | 
    $ | 
    44 | 
      | 
      | 
    $ | 
    64 | 
      | 
      | 
    $ | 
    158 | 
      | 
      | 
    $ | 
    202 | 
 
 
 |