General form of registration statement for all companies including face-amount certificate companies

Concentrations (Details)

v3.10.0.1
Concentrations (Details)
9 Months Ended 12 Months Ended
Sep. 30, 2018
Number
Sep. 30, 2017
Number
Dec. 31, 2017
Segment
Dec. 31, 2016
USD ($)
Segment
Concentrations (Textual)        
Excess of FDIC insured levels       $ 246,854
Total sales [Member]        
Concentrations (Textual)        
Concentration risk, percentage 15.60% 27.50% 15.00% 72.00%
Number of customers 1 2 1 3
Total sales [Member] | United States [Member]        
Concentrations (Textual)        
Concentration risk, percentage 10.00% 10.00% 10.00% 10.00%
Total sales [Member] | First customer [Member]        
Concentrations (Textual)        
Concentration risk, percentage   10.90%   42.00%
Total sales [Member] | Second customer [Member]        
Concentrations (Textual)        
Concentration risk, percentage   16.60%   19.00%
Total sales [Member] | Third customer [Member]        
Concentrations (Textual)        
Concentration risk, percentage       11.00%