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Note 9 - Litigation Loss Contingencies (Detail) | Apr. 08, 2013 Subsequent Event [Member] Foreclosure Proceedings Commenced [Member] | Apr. 08, 2013 Subsequent Event [Member] | Feb. 28, 2013 Foreclosure Proceedings Commenced [Member]
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Number of Real Estate Properties | 17 |  | 15
Percent of the Company's Arkansas River Assets Represented by the Properties |  | 31.00% |

X
- Definition Percent of the Company's Arkansas River Assets Represented by the Properties + References No definition available. + Details
Name: | pcyo_PercentOfTheCompanysArkansasRiverAssetsRepresentedByTheProperties
Namespace Prefix: | pcyo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant