Income Taxes: (Details Textual) - USD ($) |
38 Months Ended | 44 Months Ended |
|---|---|---|
Dec. 31, 2015 |
Jun. 30, 2016 |
|
| Income Tax Expenses Benefit [Line Items] | ||
| Operating Income (Loss) | $ 22,404,364 | $ 26,725,315 |
| Deferred Tax Assets, Gross, Current | 7,625,000 | 9,300,000 |
| Deferred Tax Assets, Net | $ 300,000 | $ 373,000 |