Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v3.8.0.1
Subsequent Events - Additional Information (Detail) - LPC [Member] - USD ($)
$ in Millions
7 Months Ended
May 09, 2018
Mar. 31, 2018
Subsequent Event [Line Items]    
Common stock, shares issued   1,673,778
Gross proceeds   $ 3.4
Common stock available for sale under offering   $ 7.6
Subsequent Event    
Subsequent Event [Line Items]    
Common stock, shares issued 160,000  
Gross proceeds $ 0.2  
Common stock available for sale under offering $ 7.4