Accounts Receivable Due from Drilling Operator and Accounts Payable Due to Drilling Operator - Additional Information (Detail) - USD ($) |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Accounts Payable And Accrued Liabilities Current [Line Items] | ||
| Amount due from drilling operator, charges current | $ 218,456 | $ 0 |
| Drilling operator charges incurred, but not paid | $ 766,542 | 5,777,983 |
| ASD Credit Agreement [Member] | ||
| Accounts Payable And Accrued Liabilities Current [Line Items] | ||
| Credit related to refund of prior drilling costs previously invoiced | $ 708,467 |