Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ 3,620,363
Combined federal and state statutory rate	37.60%	37.60%
U.S. and Various State Authorities [Member] | Minimum [Member]
Operating Loss Carryforwards [Line Items]
Taxe examination, year under examination	2015
U.S. and Various State Authorities [Member] | Maximum [Member]
Operating Loss Carryforwards [Line Items]
Taxe examination, year under examination	2017
Predecessor [Member]
Operating Loss Carryforwards [Line Items]
Net deferred tax asset			$ 91,068
Redemption consideration, taxable gain			5,250,000
Fresh-start adjustment, increase in equity			1,970,000
Predecessor [Member] | Federal [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 5,196,000	$ 3,850,000	$ 512,000
Net operating loss carryforwards expiration period	2037	2036	2035