Annual report pursuant to Section 13 and 15(d)

Office Lease - Additional Information (Detail)

v3.7.0.1
Office Lease - Additional Information (Detail) - USD ($)
7 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Operating Leases, Rent Expense $ 13,000 $ 28,000