XML 24 R30.htm IDEA: XBRL DOCUMENT
v2.4.0.6

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) | 12 Months Ended
--- | ---
Oct. 31, 2012 | Oct. 31, 2011
Summary Of Significant Accounting Policies Details 2 |  |
Gross realized gains | $ 4,112,394 | $ 2,504,248
Gross realized (losses) | (4,779,697) | (3,726,983)
Unrealized gains (losses) | 500,169 | (2,143,057)
Total | $ (167,134) | $ (3,365,792)

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | JVA_GrossRealizedGains
Namespace Prefix: | JVA_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | JVA_GrossRealizedLosses
Namespace Prefix: | JVA_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | JVA_SummaryOfSignificantAccountingPoliciesDetails2Abstract
Namespace Prefix: | JVA_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | JVA_Total
Namespace Prefix: | JVA_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | JVA_UnrealizedGainsLosses
Namespace Prefix: | JVA_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration