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

10. Significant Customer Concentrations (Sept 2018 Note) (Details Narrative)

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10. Significant Customer Concentrations (Sept 2018 Note) (Details Narrative)
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Mar. 31, 2018
Revenues [Member] | Customer A [Member]          
Concentration risk percentage 15.00% 22.00% 20.00% 20.00%  
Revenues [Member] | Customer B [Member]          
Concentration risk percentage 13.00% 17.00% 13.00% 16.00%  
Revenues [Member] | Customer C [Member]          
Concentration risk percentage   13.00%   12.00%  
Revenues [Member] | Customer D [Member]          
Concentration risk percentage   13.00%   12.00%  
Accounts Receivable [Member] | Customer A [Member]          
Concentration risk percentage     13.00%   36.00%
Accounts Receivable [Member] | Customer B [Member]          
Concentration risk percentage         18.00%