CONSOLIDATED STATEMENTS OF INCOME - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Retail revenues	$ 25,621,048	$ 23,225,066
Bulk revenues	31,031,287	28,682,113
Services revenues	1,811,372	469,347
Manufacturing revenues	7,256,150	6,990,496
Total revenues	65,719,857	59,367,022
Cost of retail revenues	11,011,456	10,372,199
Cost of bulk revenues	21,551,383	19,562,503
Cost of services revenues	1,503,034	469,797
Cost of manufacturing revenues	4,911,697	4,963,962
Total cost of revenues	38,977,570	35,368,461
Gross profit	26,742,287	23,998,561
General and administrative expenses	18,709,419	18,682,399
Loss on asset dispositions and impairments, net	56,774	3,040,158
Income from operations	7,976,094	2,276,004
Other income (expense):
Interest income	663,197	380,563
Interest expense	(8,427)	(5,722)
Profit-sharing income from OC-BVI	654,075	46,575
Equity in the earnings of OC-BVI	1,798,280	127,802
Net unrealized gain (loss) on put/call options	(256,000)	960,000
Other	(111,061)	17,140
Other income, net	2,740,064	1,526,358
Income before income taxes	10,716,158	3,802,362
Benefit from income taxes	(157,291)	(888,977)
Net income from continuing operations	10,873,449	4,691,339
Income (loss) from continuing operations attributable to non-controlling interests	695,787	(411,489)
Net income from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	10,177,662	5,102,828
Net income from discontinued operations	1,115,825	1,041,234
Net income attributable to Consolidated Water Co. Ltd. stockholders	$ 11,293,487	$ 6,144,062
Basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders
Continuing operations	$ 0.68	$ 0.34
Discontinued operations	0.07	0.07
Basic earnings per share	0.75	0.41
Diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders
Continuing operations	0.68	0.34
Discontinued operations	0.07	0.07
Diluted earnings per share	0.75	0.41
Dividends declared per common share	$ 0.34	$ 0.31
Weighted average number of common shares used in the determination of:
Basic earnings per share	14,962,760	14,896,944
Diluted earnings per share	15,074,147	15,006,681