XML 42 R30.htm IDEA: XBRL DOCUMENT v3.10.0.1
Long-Term Debt - Scheduled Repayments of Credit Facility and Capital Lease Obligations (Detail) - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Debt Disclosure [Abstract]    
2018 $ 16,005  
2019 67,101  
2020 633,116  
2021 2,684,940  
2022 2,614,572  
Thereafter 247,567,125  
Total $ 253,582,859 $ 225,630,874