The number of remaining shareholders who holds the noncontrolling interest of the company.

No definition available.

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- Definition

The number of company's executives who constitute the remaining shareholders, holding the noncontrolling interest of the company.

+ References

No definition available.

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- Definition

The number of shareholders with whom the Share purchase agreement was entered.

+ References

No definition available.

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- Definition

Area of land held.

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No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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- Definition

Amount of transactions with related party during the financial reporting period.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent events - Additional Information (Details)		1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
Subsequent events - Additional Information (Details)	Oct. 24, 2019 USD ($) stockholder	Oct. 31, 2019 USD ($) a	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)
Subsequent Event [Line Items]
Revenues			$ 15,889,239	$ 18,053,284	$ 51,183,023	$ 47,672,013
PERC Water Corporation [Member]
Subsequent Event [Line Items]
Revenues					$ 8,700,000		$ 11,800,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Business Combination, Consideration Transferred	$ 4,100,000
Remaining Shareholders, Number \| stockholder	4
Remaining Shareholders, Number Of Executives \| stockholder	3
Related Party Transactions [Abstract]
Related Party Transaction, Amounts of Transaction		$ 126,500
Area of Land \| a		1.3
Subsequent Event [Member] \| PERC Water Corporation [Member]
Subsequent Event [Line Items]
Share Purchase Agreement, Number Of Shareholders With Whom The Agreement Was Entered \| stockholder	7
Business Acquisition, Percentage of Voting Interests Acquired	51.00%
Subsequent Event [Member] \| Consolidated Water U S Holdings [Member] \| PERC Water Corporation [Member]
Subsequent Event [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	51.00%
Subsequent Event [Member] \| Three Executives [Member] \| PERC Water Corporation [Member]
Subsequent Event [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	49.00%