XML 30 R1.htm IDEA: XBRL DOCUMENT v2.4.1.9
Document and Entity Information
3 Months Ended
Jan. 31, 2015
Mar. 04, 2015
DocumentAndEntityInformationAbstract    
Entity Registrant Name Crystal Rock Holdings, Inc.  
Entity Central Index Key 0001123316  
Document Type 10-Q  
Document Period End Date Jan. 31, 2015  
Amendment Flag false  
Current Fiscal Year End Date --10-31  
Is Entity a Well-known Seasoned Issuer? No  
Is Entity a Voluntary Filer? No  
Is Entity's Reporting Status Current? Yes  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   21,358,411dei_EntityCommonStockSharesOutstanding
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2015