XML 52 R40.htm IDEA: XBRL DOCUMENT
v3.23.3

Contracts in Process (Details) - Schedule of Contracts in Process - USD ($) | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | ---
Schedule Of Contracts In Process Abstract |  |
Unrecognized gross contract value | $ 83,577,153 | $ 76,782,028
Costs related to contracts in process | $ 17,318,579 | $ 16,207,419

X
- References No definition available. + Details
Name: | esp_ScheduleOfContractsInProcessAbstract
Namespace Prefix: | esp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unrecognized gross contract value. + References No definition available. + Details
Name: | esp_UnrecognizedGrossContractValue
Namespace Prefix: | esp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before valuation and LIFO reserves, and progress payments, of inventory associated with long-term contracts, expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_InventoryForLongTermContractsOrPrograms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant