Pure Cycle Corporation Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, RIAP, Income Statement (Details) - USD ($)	3 Months Ended								12 Months Ended
	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2016	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Income Statement [Abstract]
Net income	$ 357,000	$ 55,000	$ 100,000	$ (97,000)	$ (501,000)	$ (554,000)	$ (317,000)	$ (338,000)	$ 414,680	$ (1,710,868)	$ (1,310,607)
ASU 2014-09 [Member]
Income Statement [Abstract]
Net income									7,569
ASU 2014-09 [Member] \| Special Facility Fee [Member]
Income Statement [Abstract]
Revenue									0
ASU 2014-09 [Member] \| Water Tap Fee [Member]
Income Statement [Abstract]
Revenue									49,948
Amounts That Would Have Been Reported under ASC 605 [Member]
Income Statement [Abstract]
Net income									63,371
Amounts That Would Have Been Reported under ASC 605 [Member] \| ASU 2014-09 [Member] \| Special Facility Fee [Member]
Income Statement [Abstract]
Revenue									41,508
Amounts That Would Have Been Reported under ASC 605 [Member] \| ASU 2014-09 [Member] \| Water Tap Fee [Member]
Income Statement [Abstract]
Revenue									64,242
Adjustments Due to ASU 2014-09 [Member] \| ASU 2014-09 [Member]
Income Statement [Abstract]
Net income									(55,802)
Adjustments Due to ASU 2014-09 [Member] \| ASU 2014-09 [Member] \| Special Facility Fee [Member]
Income Statement [Abstract]
Revenue									(41,508)
Adjustments Due to ASU 2014-09 [Member] \| ASU 2014-09 [Member] \| Water Tap Fee [Member]
Income Statement [Abstract]
Revenue									$ (14,294)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.