Quarterly report pursuant to Section 13 or 15(d)

Schedule of Assumptions and Results for the Monte Carlo Simulation (Details)

v3.24.0.1
Schedule of Assumptions and Results for the Monte Carlo Simulation (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Dec. 31, 2023
Dec. 29, 2023
Dec. 22, 2023
Oct. 02, 2023
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 [1] 5 years 5 months 1 day      
Time steps in simulation 1,365      
Time steps per year 252      
Common share price at valuation date $ 3.04 [2] $ 5.35 $ 4.45 $ 3.70
Volatility (annual) [3] 50.00%      
Risk-free rate (annual) [4] 3.37%      
Cost of equity [5] 11.50%      
Dividend yield [6] 0.00%      
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 [1] 27,000      
Fair value of one performance share [7] $ 2.75      
Total fair value of tranch $ 74,345      
Derived service period [7] 8 months 15 days      
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 [1] 27,000      
Fair value of one performance share [7] $ 2.58      
Total fair value of tranch $ 69,742      
Derived service period [7] 1 year 1 month 17 days      
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 [1] 27,000      
Fair value of one performance share [7] $ 2.39      
Total fair value of tranch $ 64,446      
Derived service period [7] 1 year 7 months 6 days      
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 [1] 27,000      
Fair value of one performance share [7] $ 2.18      
Total fair value of tranch $ 58,819      
Derived service period [7] 2 years 21 days      
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 [1] 27,000      
Fair value of one performance share [7] $ 1.93      
Total fair value of tranch $ 52,238      
Derived service period [7] 2 years 5 months 23 days      
[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] Based on historical volatility of OPXS and comparable public companies.
[4] Interest rate for US Treasury commensurate with the Performance Shares holding period, as of the Valuation Date, as obtained via S&P Capital IQ.
[5] Estimated cost of equity for OPXS as of the Valuation Date.
[6] Expected dividends provided by management.
[7] Based on Monte Carlo simulation.