Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v3.10.0.1
Income Taxes - Additional Information (Detail)
$ in Millions
Jun. 30, 2018
USD ($)
Federal [Member]  
Income Taxes [Line Items]  
Net operating loss carryforwards $ 54.0
State [Member]  
Income Taxes [Line Items]  
Net operating loss carryforwards $ 17.4