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Purchase of interest in Aerex Industries, Inc. (Tables) | 12 Months Ended
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Dec. 31, 2017
Business Acquisition [Line Items] |
Schedule of Business Acquisitions, by Acquisition [Table Text Block] | The purchase price for Aerex is summarized as follows:
Cash consideration |  |  |  |
Purchase price (excluding working capital) |  | $ | 7,140,000 |
Working capital adjustment |  |  | 605,179 |
Cash acquired |  |  | (2,326) |
Total cash consideration |  | $ | 7,742,853 |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] | The following table summarizes the estimated fair values of the assets and liabilities assumed at the acquisition date:
Financial assets |  | $ | 456,664 |
Inventory |  |  | 70,487 |
Costs and estimated earnings in excess of billings |  |  | 784,465 |
Property, plant and equipment |  |  | 2,159,401 |
Identifiable intangible assets |  |  | 5,900,000 |
Deferred tax liability |  |  | (2,451,298) |
Accounts payable and accrued liabilities |  |  | (116,893) |
Net liability arising from put/call options |  |  | (383,000) |
Total identifiable net assets |  |  | 6,419,826 |
Non-controlling interest in Aerex |  |  | (6,712,184) |
Goodwill |  |  | 8,035,211 |
|  | $ | 7,742,853 |
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] | The identifiable intangible assets consisted of the following items:
|  | Amount |  | Useful life |
Non-compete agreement |  | $ | 400,000 |  | 5 years |
Trade name |  |  | 1,400,000 |  | 15 years |
Certifications/programs |  |  | 2,000,000 |  | 3 years |
Customer backlog |  |  | 100,000 |  | 1 year |
Customer relationships |  |  | 2,000,000 |  | 4 years |
|  | $ | 5,900,000 |  |  |
Business Acquisition, Pro Forma Information [Table Text Block] | The pro forma results have been prepared for comparative purposes only and do not purport to be indicative of the results of operations which would have actually occurred had the transaction taken place on January 1, 2015, or of future results of operations:
|  | Year Ended December 31, |
|  | 2016 |  | 2015 |
Revenues |  | $ | 58,381,424 |  | $ | 75,919,627 |
Cost of revenues |  |  | 33,892,238 |  |  | 47,624,001 |
Gross profit |  |  | 24,489,186 |  |  | 28,295,626 |
General and administrative expenses |  |  | 18,992,301 |  |  | 17,266,335 |
Impairment loss on long-lived assets |  |  | 2,000,000 |  |  | - |
Impairment of goodwill |  |  | 1,750,000 |  |  | - |
Income from operations |  |  | 1,746,885 |  |  | 11,029,291 |
Other income, net |  |  | 419,458 |  |  | 226,762 |
Income before income taxes |  |  | 2,166,343 |  |  | 11,256,053 |
Provision for (benefit from) income taxes |  |  | (608,970) |  |  | 1,127,911 |
Net income |  |  | 2,775,313 |  |  | 10,128,142 |
Income (loss) attributable to non-controlling interests |  |  | (1,148,675) |  |  | 1,719,425 |
Net income attributable to Consolidated Water Co. Ltd. stockholders |  | $ | 3,923,988 |  | $ | 8,408,717 |
Basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders |  | $ | 0.26 |  | $ | 0.57 |
Diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders |  | $ | 0.26 |  | $ | 0.57 |
Weighted average number of common shares used in the determination of: |  |  |  |  |  |  |
Basic earnings per share |  |  | 14,809,909 |  |  | 14,741,748 |
Diluted earnings per share |  |  | 14,944,028 |  |  | 14,827,755 |
Aerex Industries Inc [Member] |
Business Acquisition [Line Items] |
Business Acquisition, Pro Forma Information [Table Text Block] | The results of operations of Aerex included in the Company’s results of operations for the period February 11, 2016 to December 31, 2016 are as follows:
|  | Year Ended December 31, 2016 |
Revenues |  | $ | 3,887,284 |
Gross profit |  |  | 796,450 |
Amortization of intangibles |  |  | (1,320,000) |
Impairment loss |  |  | (1,750,000) |
Net loss |  |  | (1,566,281) |

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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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