CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Plant Revenues:        
Energy sales $ 6,654,363 $ 6,854,109 $ 20,655,109 $ 21,009,178
Energy credit sales 78,931 75,738 245,741 255,710
Total plant operating revenues 6,733,294 6,929,847 20,900,850 21,264,888
Plant Expenses:        
Plant production expenses 2,276,969 2,532,780 6,893,103 7,307,590
Depreciation and amortization 1,586,903 1,577,622 4,752,192 4,720,220
Total plant operating expenses 3,863,872 4,110,402 11,645,295 12,027,810
Gross Profit 2,869,422 2,819,445 9,255,555 9,237,078
Operating Expenses:        
Corporate administration 406,513 263,301 1,060,217 886,485
Professional and management fees 168,489 185,005 1,380,649 818,697
Employee compensation 699,554 670,940 2,381,550 2,303,407
Promotion 66,590 74,358 330,487 148,866
Exploration 3,826 3,826 31,421 72,557
Operating Income 1,524,450 1,622,015 4,071,231 5,007,066
Other (income) expense:        
Interest expense 1,241,454 927,730 3,217,949 2,855,816
Other (income) expense 104,766 (70,794) 81,924 (131,863)
Income (Loss) Before Income Tax Expense (Benefit) 178,230 765,079 771,358 2,283,113
Change in deferred income taxes (90,000) 170,000 (296,000) 473,000
Net Income (Loss) 268,230 595,079 1,067,358 1,810,113
Net (income) loss attributable to the non-controlling interests (418,728) (314,215) (1,560,181) (1,028,934)
Net Income (Loss) Attributable to U.S. Geothermal Inc. $ (150,498) $ 280,864 $ (492,823) $ 781,179
Net Earnings (Loss) Per Share Attributable to U.S. Geothermal Inc.:        
Basic $ 0.00 $ 0.00 $ 0.00 $ 0.00
Diluted $ 0.00 $ 0.00 $ 0.00 $ 0.00
Shares used in the calculation of income per share:        
Basic 113,292,996 107,164,333 111,463,616 106,902,666
Diluted 113,292,996 108,359,065 111,463,616 108,584,804