- Definition
                Represents the amount for customer advance deposits related to non-substantive milestone billings.
               
+ References
+ Details
                
| Name: | opxs_CustomerAdvanceDepositsOfNonSubstantiveMilestoneBillings | 
| Namespace Prefix: | opxs_ | 
| Data Type: | xbrli:monetaryItemType | 
| Balance Type: | credit | 
| Period Type: | instant |