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Note 7 - Income Taxes - Changes in Valuation Allowances (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Balance at the beginning of the period | $ 829,087 | $ 512,711 | $ 443,398
Additions attributable to the Merger | 0 | 187,319 | 0
Additions not attributable to the Merger | 146,451 | 160,299 | 72,025
Reductions | (94,252) | (31,242) | (2,712)
Balance at end of period | $ 881,286 | $ 829,087 | $ 512,711

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in the valuation allowance for deferred tax asset from business acquisition. + References No definition available. + Details
Name: | xpro_DeferredTaxAssetsValuationAllowanceAdditionsFromBusinessAcquisition
Namespace Prefix: | xpro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in the valuation allowance for deferred tax asset from other then business acquisition. + References No definition available. + Details
Name: | xpro_ValuationAllowanceDeferredTaxAssetAdditionsOtherThanBusinessAcquisition
Namespace Prefix: | xpro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in the valuation allowance for deferred tax asset. + References No definition available. + Details
Name: | xpro_ValuationAllowanceDeferredTaxAssetReductions
Namespace Prefix: | xpro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration