Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Revenues, Operating Loss, Long-Lived Assets By Geographic Area (Details)

v3.5.0.2
Segment Information - Summary of Revenues, Operating Loss, Long-Lived Assets By Geographic Area (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Segment Reporting Information [Line Items]          
Revenue: $ 10,976,639 $ 9,278,197 $ 31,840,409 $ 24,433,881  
Operating Income (Loss): (517,530) (1,083,650) (1,806,681) (4,179,898)  
Non-current Assets: 31,997,344   31,997,344   $ 38,386,631
United States [Member]          
Segment Reporting Information [Line Items]          
Revenue: 8,570,452 6,872,530 25,475,352 17,200,287  
Operating Income (Loss): (550,833) (1,105,160) (1,822,815) (4,267,634)  
Non-current Assets: 26,999,535   26,999,535   33,106,913
South Africa [Member]          
Segment Reporting Information [Line Items]          
Revenue: 1,495,757 1,380,665 4,017,330 4,626,094  
Operating Income (Loss): (35,331) (18,918) (152,960) (43,178)  
Non-current Assets: 2,547,318   2,547,318   2,428,290
Europe [Member]          
Segment Reporting Information [Line Items]          
Revenue: 910,430 1,025,002 2,347,727 2,607,500  
Operating Income (Loss): 68,633 $ 40,427 169,093 $ 130,914  
Non-current Assets: $ 2,450,491   $ 2,450,491   $ 2,851,428