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CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Retail revenues | $ 6,292,833 | $ 6,152,185 | $ 12,263,071 | $ 12,287,823
Bulk revenues | 7,441,061 | 8,187,273 | 14,706,354 | 16,569,589
Services revenues | 1,664,741 | 146,211 | 2,463,982 | 294,369
Total revenues | 15,398,635 | 14,485,669 | 29,433,407 | 29,151,781
Cost of retail revenues | 2,685,316 | 2,657,698 | 5,314,990 | 5,424,561
Cost of bulk revenues | 4,813,261 | 5,649,929 | 9,423,585 | 11,115,989
Cost of services revenues | 1,307,679 | 212,748 | 1,925,422 | 497,635
Total cost of revenues | 8,806,256 | 8,520,375 | 16,663,997 | 17,038,185
Gross profit | 6,592,379 | 5,965,294 | 12,769,410 | 12,113,596
General and administrative expenses | 4,935,774 | 3,661,574 | 9,396,760 | 7,554,540
Income from operations | 1,656,605 | 2,303,720 | 3,372,650 | 4,559,056
Other income (expense): |  |  |  |
Interest income | 159,891 | 258,201 | 376,726 | 491,783
Interest expense | (30,323) | (67,929) | (94,369) | (137,461)
Profit sharing income from OC-BVI | 14,175 | 22,275 | 48,600 | 48,600
Equity in earnings of OC-BVI | 85,858 | 62,668 | 131,222 | 137,823
Impairment of investment in OC-BVI | 0 | (275,000) | (50,000) | (585,000)
Other | 189,236 | 27,980 | 396,215 | (147,107)
Other income (expense), net | 418,837 | 28,195 | 808,394 | (191,362)
Income before income taxes | 2,075,442 | 2,331,915 | 4,181,044 | 4,367,694
Provision for (benefit from) income taxes | (170,393) | 0 | (243,662) | 0
Net income | 2,245,835 | 2,331,915 | 4,424,706 | 4,367,694
Income attributable to non-controlling interests | 41,502 | 103,815 | 165,732 | 218,333
Net income attributable to Consolidated Water Co. Ltd. stockholders | $ 2,204,333 | $ 2,228,100 | $ 4,258,974 | $ 4,149,361
Basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders (in dollars per share) | $ 0.15 | $ 0.15 | $ 0.29 | $ 0.28
Diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders (in dollars per share) | 0.15 | 0.15 | 0.29 | 0.28
Dividends declared per common share (in dollars per share) | $ 0.075 | $ 0.075 | $ 0.15 | $ 0.15
Weighted average number of common shares used in the determination of: |  |  |  |
Basic earnings per share (in shares) | 14,792,053 | 14,736,057 | 14,787,716 | 14,727,455
Diluted earnings per share (in shares) | 14,871,119 | 14,793,298 | 14,863,791 | 14,780,269

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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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