Income Taxes - Additional Information (Detail) - USD ($) |
12 Months Ended | |
---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
|
Income Taxes [Line Items] | ||
Deferred tax asset | $ 5,131,179 | $ 5,451,118 |
Accumulated net operating losses | $ 4,400,000 | |
Loss carryforwards, expired | 2028 | |
Deferred tax asset nondeductible accrued expenses | $ 700,000 | 600,000 |
Reduction in deferred tax assets due to change in federal income tax rate | 2,700,000 | |
TRS Lessee [Member] | ||
Income Taxes [Line Items] | ||
Accumulated net operating losses | $ 4,400,000 | $ 4,900,000 |