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Income Taxes - Additional Information (Detail) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Dec. 31, 2016
Income Taxes [Line Items] |  |
Deferred tax asset | $ 6,691,344 | $ 6,949,340
Accumulated net operating losses | 5,800,000 | 6,000,000
Start-up expense related to company | $ 200,000 | 200,000
Amortized period | 15 years |
Loss carryforwards, expired | 2028 |
TRS Lessee [Member] |  |
Income Taxes [Line Items] |  |
Accumulated net operating losses | $ 5,800,000 | $ 6,000,000

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