CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 34,092,347	$ 47,182,966
Accounts receivable, net	22,161,267	15,047,846
Inventory	2,703,806	1,744,445
Prepaid expenses and other current assets	1,880,849	1,077,257
Current portion of loans receivable	1,446,540	1,400,448
Costs and estimated earnings in excess of billings	844,693	238,435
Total current assets	63,129,502	66,691,397
Property, plant and equipment, net	48,476,540	50,525,064
Construction in progress	11,397,699	1,823,284
Inventory, non-current	4,706,727	4,758,973
Loans receivable	0	734,980
Investment in OC-BVI	2,501,008	2,783,882
Goodwill	8,384,248	8,384,248
Land held for development	20,642,660	20,558,424
Intangible assets, net	3,062,337	3,765,434
Other assets	5,000,103	5,455,209
Total assets	167,300,824	165,480,895
Current liabilities
Accounts payable and other current liabilities	5,841,427	5,662,448
Dividends payable	1,285,270	1,281,612
Note payable to related party	294,000	686,000
Billings in excess of costs and estimated earnings	1,971	1,258
Total current liabilities	7,422,668	7,631,318
Deferred tax liability	832,917	1,024,893
Other liabilities	778,307	803,307
Total liabilities	9,033,892	9,459,518
Commitments and contingencies
Consolidated Water Co. Ltd. stockholders' equity
Redeemable preferred stock, $0.60 par value. Authorized 200,000 shares; issued and outstanding 41,033 and 33,488 shares, respectively	24,620	20,093
Additional paid-in capital	86,717,545	86,405,387
Retained earnings	54,835,603	53,105,196
Cumulative translation adjustment	(549,555)	(549,555)
Total Consolidated Water Co. Ltd. stockholders' equity	150,003,798	147,932,442
Non-controlling interests	8,263,134	8,088,935
Total equity	158,266,932	156,021,377
Total liabilities and equity	167,300,824	165,480,895
Class A common stock [Member]
Consolidated Water Co. Ltd. stockholders' equity
Common stock value	8,975,585	8,951,321
Class B common stock [Member]
Consolidated Water Co. Ltd. stockholders' equity
Common stock value	$ 0	$ 0