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Income Taxes - Additional Information (Detail) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Income Taxes [Line Items] |  |
Deferred tax asset | $ 4,679,010 | $ 5,131,179
Accumulated net operating losses | $ 4,100,000 | 4,400,000
Loss carryforwards, expired | 2028 |
Deferred tax asset nondeductible accrued expenses | $ 600,000 | 700,000
TRS Lessee [Member] |  |
Income Taxes [Line Items] |  |
Accumulated net operating losses | $ 4,100,000 | $ 4,400,000

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