v3.25.2
Schedule of Assumptions and Results for the Monte Carlo Simulation for the Performance Shares (Details)
$ / shares in Units, $ in Thousands
9 Months Ended
Jun. 29, 2025
USD ($)
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Performance period start Oct. 02, 2023
Performance period start Oct. 01, 2028
Term of simulation 5 years 5 months 1 day [1]
Time steps in simulation 1,365
Time steps per year 252
Common share price at valuation date $ 3.04 [2]
Dividend yield 0.00% [3]
Volatility (annual) 50.00% [4]
Risk-free rate (annual) 3.37% [5]
Cost of equity 11.50% [6]
Share-Based Payment Arrangement, Tranche One [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Number of performance shares in the tranche | shares 27,000 [1]
Derived service period 8 months 15 days [7]
Fair value of one performance share $ 2.75 [7]
Total fair value of tranche | $ $ 74,345
Share-Based Payment Arrangement, Tranche Two [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Number of performance shares in the tranche | shares 27,000 [1]
Derived service period 1 year 1 month 17 days [7]
Fair value of one performance share $ 2.58 [7]
Total fair value of tranche | $ $ 69,742
Share-Based Payment Arrangement, Tranche Three [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Number of performance shares in the tranche | shares 27,000 [1]
Derived service period 1 year 7 months 6 days [7]
Fair value of one performance share $ 2.39 [7]
Total fair value of tranche | $ $ 64,446
Share Based Compensation Award Tranche Four [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Number of performance shares in the tranche | shares 27,000 [1]
Derived service period 2 years 21 days [7]
Fair value of one performance share $ 2.18 [7]
Total fair value of tranche | $ $ 58,819
Share Based Compensation Award Tranche Five [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Number of performance shares in the tranche | shares 27,000 [1]
Derived service period 2 years 5 months 23 days [7]
Fair value of one performance share $ 1.93 [7]
Total fair value of tranche | $ $ 52,238
[1] Based on the terms of the Performance Shares agreement issued by the Company on May 3, 2023.
[2] Closing price of OPXS shares on the Valuation Date, as obtained via S&P Capital IQ.
[3] Expected dividends provided by management.
[4] Based on historical volatility of OPXS and comparable public companies.
[5] Interest rate for US Treasury commensurate with the Performance Shares holding period, as of the Valuation Date, as obtained via S&P Capital IQ.
[6] Estimated cost of equity for OPXS as of the Valuation Date.
[7] Based on Monte Carlo simulation.