XML 61 R44.htm IDEA: XBRL DOCUMENT v3.8.0.1
Significant Accounting Policies - Schedule of Estimated Useful Lives of Related Assets (Detail)
3 Months Ended
Mar. 31, 2018
Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 5 years
Furniture and Fixtures [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 15 years