Quarterly report pursuant to Section 13 or 15(d)

Intangible Asset, Net (Additional Information) (Detail)

v3.19.1
Intangible Asset, Net (Additional Information) (Detail) - USD ($)
3 Months Ended
Oct. 04, 2018
Mar. 31, 2019
Dec. 31, 2018
Accrued Liabilities, Current   $ 943,010 $ 1,614,078
TDG Acquisition Company LLC [Member]      
Accrued Liabilities, Current   250,000  
Amortization of Intangible Assets   $ 102,000  
Finite-Lived Intangible Assets, Remaining Amortization Period 44 months