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ESCROW RECEIVABLE (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Escrow receivables relating to oil and gas properties [Abstract]    
Escrow receivable - Current $ 321,428us-gaap_EscrowDeposit $ 321,428us-gaap_EscrowDeposit
Tambaqui Escrow [Member]    
Escrow receivables relating to oil and gas properties [Abstract]    
Escrow receivable - Current 4,331us-gaap_EscrowDeposit
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_TambaquiEscrowMember		 4,331us-gaap_EscrowDeposit
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_TambaquiEscrowMember
HDC LLC and HL LLC 15% Escrow [Member]    
Escrow receivables relating to oil and gas properties [Abstract]    
Escrow receivable - Current 294,383us-gaap_EscrowDeposit
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HdcLlcAndHlLlcFifteenPercentEscrowMember		 294,383us-gaap_EscrowDeposit
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HdcLlcAndHlLlcFifteenPercentEscrowMember
Escrow receivables, percentage (in hundredths) 15.00%husa_EscrowDepositsPercentage
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HdcLlcAndHlLlcFifteenPercentEscrowMember		 15.00%husa_EscrowDepositsPercentage
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HdcLlcAndHlLlcFifteenPercentEscrowMember
HDC LLC & HL LLC 5% Contingency [Member]    
Escrow receivables relating to oil and gas properties [Abstract]    
Escrow receivable - Current 11,256us-gaap_EscrowDeposit
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HdcLlcAndHlLlcContingencyMember		 11,256us-gaap_EscrowDeposit
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HdcLlcAndHlLlcContingencyMember
Escrow receivables, percentage (in hundredths) 5.00%husa_EscrowDepositsPercentage
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HdcLlcAndHlLlcContingencyMember		 5.00%husa_EscrowDepositsPercentage
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HdcLlcAndHlLlcContingencyMember
HC LLC 5% Contingency [Member]    
Escrow receivables relating to oil and gas properties [Abstract]    
Escrow receivable - Current $ 11,458us-gaap_EscrowDeposit
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HcLlc5ContingencyMember		 $ 11,458us-gaap_EscrowDeposit
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HcLlc5ContingencyMember
Escrow receivables, percentage (in hundredths) 5.00%husa_EscrowDepositsPercentage
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HcLlc5ContingencyMember		 5.00%husa_EscrowDepositsPercentage
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= husa_HcLlc5ContingencyMember