XML 73 R68.htm IDEA: XBRL DOCUMENT v3.20.1
Concentrations of Risk (Details)
6 Months Ended
Dec. 31, 2019
USD ($)
Customer
Vendor
Dec. 31, 2018
Customer
Vendor
Concentrations of risk (Textual)    
Insurance coverage of each bank | $ $ 250,000  
Accounts Payable Member    
Concentrations of risk (Textual)    
Concentration of credit risk, description No vendor accounted for more than 10% of the total balance of accounts payable. No vendor accounted for more than 10% of the total balance of accounts payable.
Total Revenue [Member] | One customer [Member]    
Concentrations of risk (Textual)    
Number of customers | Customer 2 4
Concentration of credit risk, percentage 19.60% 25.60%
Total Revenue [Member] | Two customer [Member]    
Concentrations of risk (Textual)    
Number of customers | Customer 2 4
Concentration of credit risk, percentage 14.80% 16.90%
Total Revenue [Member] | Four customer [Member]    
Concentrations of risk (Textual)    
Number of customers | Customer   4
Concentration of credit risk, percentage   10.90%
Total Revenue [Member] | Three customer [Member]    
Concentrations of risk (Textual)    
Number of customers | Customer   4
Concentration of credit risk, percentage   16.10%
Accounts Receivable [Member]    
Concentrations of risk (Textual)    
Concentration of credit risk, description No customer accounted for more than 10% of the total balance of accounts receivable. No customer accounted for more than 10% of the total balance of accounts receivable.
Total Purchase [Member] | One vendor [Member]    
Concentrations of risk (Textual)    
Number of vendors | Vendor 1 3
Concentration of credit risk, percentage 14.00% 14.10%
Total Purchase [Member] | Two vendor [Member]    
Concentrations of risk (Textual)    
Number of vendors | Vendor   3
Concentration of credit risk, percentage   10.40%
Total Purchase [Member] | Three vendor [Member]    
Concentrations of risk (Textual)    
Number of vendors | Vendor   3
Concentration of credit risk, percentage   10.00%
PRC [Member]    
Concentrations of risk (Textual)    
Deposited from banks | $ $ 23,000  
Insurance coverage of each bank | $ 72,000  
RMB [Member] | PRC [Member]    
Concentrations of risk (Textual)    
Insurance coverage of each bank | $ $ 500,000