XML 34 R24.htm IDEA: XBRL DOCUMENT v3.19.2
CONCENTRATION OF CREDIT RISK (Tables)
3 Months Ended
Jun. 30, 2019
Accounts Receivable  
Concentration of credit risk and major customers  
Schedule of concentration of risk by factors
  
June 30, 2019
  
March 31, 2019
 
Customer
 
Dollars
  
Percent
  
Dollars
   
Percent
 
 
 
A $*     *% $339,032   34%
B $268,538   31% $246,019   24%
C $225,491   26% $*     *%
D $*           *% $244,500   24%
E $162,494   19% $*     *%
F $103,300   12% $*     *%
*less than 10% of total