Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting (Details Textual)

v3.19.2
Segment Reporting (Details Textual)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Segments
Customer
Jun. 30, 2018
Dec. 31, 2018
Segment Reporting (Textual)          
Number of operating segments | Segments     2    
Number of customer | Customer     1    
Concentration risk percentage, description     No other single customers represented more than 10% for the period.    
Consolidated Revenue [Member]          
Segment Reporting (Textual)          
Segment revenue percentage 10.00% 10.00% 10.00% 10.00%  
Accounts Receivable [Member]          
Segment Reporting (Textual)          
Segment revenue percentage     14.30%   10.00%