A. Basis of Presentation, Accounting Policies and Recent Accounting Pronouncements (Details 1) |
Mar. 31, 2017
USD ($)
|
|---|---|
| Opening balance | $ 1,106,700 |
| Accretion expense | 14,000 |
| Closing balance | 1,120,700 |
| Asset Retirement Obligation [Member] | |
| Opening balance | 434,000 |
| Accretion expense | 0 |
| Closing balance | 434,000 |
| Contingent Land Payment [Member] | |
| Opening balance | 672,700 |
| Accretion expense | 14,000 |
| Closing balance | $ 686,700 |