Quarterly report pursuant to Section 13 or 15(d)

Credit Risk and Concentrations (Details Textual)

v3.19.2
Credit Risk and Concentrations (Details Textual)
6 Months Ended
Jun. 30, 2019
USD ($)
leases
Jun. 30, 2018
USD ($)
leases
Accounts Receivable [Member] | Customer A [Member]    
Credit Risk and Concentrations (Textual)    
Concentration risk, percentage 57.00% 0.00%
Accounts Receivable [Member] | Customer B [Member]    
Credit Risk and Concentrations (Textual)    
Concentration risk, percentage 0.00% 6.00%
Accounts Receivable [Member] | Customer C [Member]    
Credit Risk and Concentrations (Textual)    
Concentration risk, percentage 0.00% 24.00%
Accounts Payable [Member] | Vendor One [Member]    
Credit Risk and Concentrations (Textual)    
Concentration risk, percentage 43.00% 50.00%
Purchases from vendors | $
Number of vendors | leases 2 2
Accounts Payable [Member] | Vendor Two [Member]    
Credit Risk and Concentrations (Textual)    
Concentration risk, percentage 14.00% 19.00%
Purchases from vendors | $
Number of vendors | leases 2 2