Income Taxes - Additional Information (Detail)
|
12 Months Ended |
|
Dec. 31, 2019
USD ($)
|
|---|
| Income Tax Contingency [Line Items] |
|
| Federal statutory income tax rate |
21.00%
|
| Federal income tax net operating loss carryforwards |
$ 27,500,000
|
| Federal operating loss carryforwards expiration year |
2027
|
| State net operating loss carryforwards |
$ 32,800,000
|
| State operating loss carryforwards expiration year |
2027
|
| Percentage of change in ownership |
50.00%
|
| Net operating loss carryforwards limitation on use ownership change period |
3 years
|
| Federal and state net operating loss carryforwards limitations on use |
$ 18,900,000
|
| Cumulative effect on retained earnings |
0
|
| Unrecognized tax benefits |
0
|
| Continuing Operations [Member] |
|
| Income Tax Contingency [Line Items] |
|
| Federal income tax net operating loss carryforwards |
19,000,000
|
| Discontinued Operations [Member] |
|
| Income Tax Contingency [Line Items] |
|
| Federal income tax net operating loss carryforwards |
$ 8,500,000
|
| Earliest Tax Year [Member] |
|
| Income Tax Contingency [Line Items] |
|
| Open tax year |
2016
|
| Latest Tax Year [Member] |
|
| Income Tax Contingency [Line Items] |
|
| Open tax year |
2019
|
| Tax Year After 2017 [Member] |
|
| Income Tax Contingency [Line Items] |
|
| Federal income tax net operating loss carryforwards, indefinitely carried forward |
$ 24,900,000
|
| Tax Year Prior to 2018 [Member] |
|
| Income Tax Contingency [Line Items] |
|
| Federal income tax net operating loss carryforwards, subject to expiration |
$ 2,600,000
|