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QUARTERLY FINANCIAL DATA (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Data [Abstract] |
Schedule Of Quarterly Financial Information | The following summarized (unaudited) quarterly financial information presents the results of operations and other data for the three-month periods ended March 31, June 30, September 30 and December 31, 2016, and 2015.
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
|  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
|  | 2016 |  |  | 2016 |  |  | 2016 |  |  | 2016 |
Total Income (Loss) |  | $ | 6,608,262 |  |  | $ | 23,198,440 |  |  | $ | (1,430,260) |  |  | $ | 9,627,887 |
Total Expenses |  |  | 272,050 |  |  |  | 314,611 |  |  |  | 295,596 |  |  |  | 307,039 |
Expense Waivers |  |  | (59,762) |  |  |  | (36,554) |  |  |  | (43,026) |  |  |  | (50,753) |
Net Expenses |  |  | 212,288 |  |  |  | 278,057 |  |  |  | 252,570 |  |  |  | 256,286 |
Net Income (Loss) |  | $ | 6,395,974 |  |  | $ | 22,920,383 |  |  | $ | (1,682,830) |  |  | $ | 9,371,601 |
Net Income (Loss) per Share |  | $ | 0.09 |  |  | $ | 2.55 |  |  | $ | (0.27) |  |  | $ | 1.11 |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
|  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
|  | 2015 |  |  | 2015 |  |  | 2015 |  |  | 2015 |
Total Income (Loss) |  | $ | (2,444,251) |  |  | $ | 12,218,310 |  |  | $ | (29,085,453) |  |  | $ | (23,505,325) |
Total Expenses |  |  | 212,837 |  |  |  | 288,100 |  |  |  | 237,707 |  |  |  | 225,114 |
Expense Waivers |  |  | (27,677) |  |  |  | (30,764) |  |  |  | (32,885) |  |  |  | (43,991) |
Net Expenses |  |  | 185,160 |  |  |  | 257,336 |  |  |  | 204,822 |  |  |  | 181,123 |
Net Income (Loss) |  | $ | (2,629,411) |  |  | $ | 11,960,974 |  |  | $ | (29,290,275) |  |  | $ | (23,686,448) |
Net Income (Loss) per Share |  | $ | (1.91) |  |  | $ | 2.15 |  |  | $ | (6.07) |  |  | $ | (4.34) |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1280-108306 + Details
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