CONSOLIDATED STATEMENTS OF INCOME - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Retail revenues	$ 23,225,066	$ 23,505,619	$ 23,254,757
Bulk revenues	31,621,756	29,647,034	31,854,255
Services revenues	469,347	835,770	2,007,190
Manufacturing revenues	6,990,496	3,887,284	0
Total revenues	62,306,665	57,875,707	57,116,202
Cost of retail revenues	10,372,199	10,294,298	10,543,972
Cost of bulk revenues	21,066,207	19,488,550	21,634,789
Cost of services revenues	469,797	751,139	1,629,221
Cost of manufacturing revenues	4,963,962	3,090,834	0
Total cost of revenues	36,872,165	33,624,821	33,807,982
Gross profit	25,434,500	24,250,886	23,308,220
General and administrative expenses	19,072,979	18,677,584	14,840,156
Long-lived asset impairment and disposition losses, net	3,040,158	3,435,619	32,566
Income from operations	3,321,363	2,137,683	8,435,498
Other income (expense):
Interest income	380,563	609,750	1,013,252
Interest expense	(6,806)	(104,048)	(269,090)
Profit sharing income from OC-BVI	46,575	125,550	105,300
Equity in the earnings of OC-BVI	127,802	337,809	294,368
Impairment loss on investment in OC-BVI	0	(925,000)	(1,060,000)
Net unrealized gain (loss) on put/call options	960,000	(297,000)	0
Other	14,099	356,512	(593,834)
Other income (expense), net	1,522,233	103,573	(510,004)
Income before income taxes	4,843,596	2,241,256	7,925,494
Provision for (benefit from) income taxes	(888,977)	(536,057)	0
Net income	5,732,573	2,777,313	7,925,494
Income (loss) attributable to non-controlling interests	(411,489)	(1,183,188)	406,793
Net income attributable to Consolidated Water Co. Ltd. stockholders	$ 6,144,062	$ 3,960,501	$ 7,518,701
Basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders	$ 0.41	$ 0.27	$ 0.51
Diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders	0.41	0.27	0.51
Dividends declared per common share	$ 0.31	$ 0.3	$ 0.30
Weighted average number of common shares used in the determination of:
Basic earnings per share	14,896,944	14,809,909	14,741,748
Diluted earnings per share	15,006,681	14,944,028	14,827,755