Quarterly report pursuant to Section 13 or 15(d)

Concentrations (Details Textual)

v3.19.3
Concentrations (Details Textual)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Customer / Integer
Supplier / Integer
Dec. 31, 2018
Customer / Integer
Supplier / Integer
Concentrations (Textual)      
Concentration risk, percentage 10.00% 10.00%  
10% or more of purchase [Member] | Outstanding accounts payable [Member]      
Concentrations (Textual)      
Concentration risk, percentage   87.90% 95.50%
Number of supplier | Supplier / Integer   1 1
More than 10% Revenues [Member] | Outstanding accounts and tenants receivable [Member]      
Concentrations (Textual)      
Concentration risk, percentage   82.10% 56.00%
Number of customer | Customer / Integer   2 2