Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.19.1
Commitments and Contingencies - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2016
Commitments And Contingencies [Line Items]    
Lease expiration date Jan. 03, 2020  
Operating leases, future minimum payments, due in 2019 $ 15,288  
Tuxis    
Commitments And Contingencies [Line Items]    
Additional cash payment   $ 900,000