Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - USD ($)
12 Months Ended
Aug. 31, 2018
Nov. 10, 2018
Feb. 28, 2018
Document And Entity Information      
Entity Registrant Name PURE CYCLE CORP    
Entity Central Index Key 0000276720    
Current Fiscal Year End Date --08-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Ex Transition Period false    
Entity Public Float     $ 134,634,077
Entity Common Stock, Shares Outstanding   23,764,098  
Document Type 10-K    
Amendment Flag false    
Document Period End Date Aug. 31, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY