CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 47,182,966	$ 39,254,116
Accounts receivable, net	15,047,846	16,500,798
Inventory	1,744,445	2,305,879
Prepaid expenses and other current assets	1,077,257	1,096,200
Current portion of loans receivable	1,400,448	1,633,588
Costs and estimated earnings in excess of billings	238,435	85,211
Total current assets	66,691,397	60,875,792
Property, plant and equipment, net	50,525,064	53,084,105
Construction in progress	1,823,284	885,494
Inventory, non-current	4,758,973	4,606,088
Loans receivable	734,980	2,135,428
Investment in OC-BVI	2,783,882	4,086,630
Goodwill	8,384,248	9,784,248
Land held for development	20,558,424	20,558,424
Intangible assets, net	3,765,434	5,195,476
Other assets	5,455,209	2,392,843
Total assets	165,480,895	163,604,528
Current liabilities
Accounts payable and other current liabilities	5,662,448	4,898,908
Dividends payable	1,281,612	1,187,214
Note payable to related party	686,000	490,000
Billings in excess of costs and estimated earnings	1,258	102,966
Total current liabilities	7,631,318	6,679,088
Deferred tax liability	1,024,893	1,915,241
Other liabilities	803,307	904,827
Total liabilities	9,459,518	9,499,156
Commitments and contingencies
Consolidated Water Co. Ltd. stockholders' equity
Redeemable preferred stock, $0.60 par value. Authorized 200,000 shares; issued and outstanding 33,488 and 35,225 shares, respectively	20,093	21,135
Additional paid-in capital	86,405,387	85,621,033
Retained earnings	53,105,196	51,589,337
Cumulative translation adjustment	(549,555)	(549,555)
Total Consolidated Water Co. Ltd. stockholders' equity	147,932,442	145,604,948
Non-controlling interests	8,088,935	8,500,424
Total equity	156,021,377	154,105,372
Total liabilities and equity	165,480,895	163,604,528
Class A common stock [Member]
Consolidated Water Co. Ltd. stockholders' equity
Common stock value	8,951,321	8,922,998
Class B common stock [Member]
Consolidated Water Co. Ltd. stockholders' equity
Common stock value	$ 0	$ 0