Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Segments of Business - Summary of Revenues, Operating Loss, Long-Lived Assets By Geographic Area (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Segment Reporting Information [Line Items]          
Revenue: $ 10,710,773 $ 10,399,924 $ 20,908,543 $ 20,395,439  
Operating Income (Loss): (2,984,546) (420,345) (4,692,584) (2,801,187)  
Non-current Assets: 43,654,439 [1]   43,654,439 [1]   $ 28,118,104
United States [Member]          
Segment Reporting Information [Line Items]          
Revenue: 8,654,100 8,164,018 16,806,839 15,946,418  
Operating Income (Loss): (2,970,515) (505,109) (4,699,865) [2] (1,468,121) [2]  
Non-current Assets: 39,310,602 [1]   39,310,602 [1]   24,795,368
South Africa [Member]          
Segment Reporting Information [Line Items]          
Revenue: 1,346,939 1,467,909 2,739,242 2,969,328  
Operating Income (Loss): (49,868) 10,649 (33,274) [2] 21,194 [2]  
Non-current Assets: 1,691,809 [1]   1,691,809 [1]   909,514
Europe [Member]          
Segment Reporting Information [Line Items]          
Revenue: 709,734 767,997 1,362,462 1,479,693  
Operating Income (Loss): 35,837 $ 74,115 40,555 [2] $ (1,354,260) [2]  
Non-current Assets: $ 2,652,028 [1]   $ 2,652,028 [1]   $ 2,413,222
[1] Non-current assets increased due to the adoption of ASC 842 effective January 1, 2019.
[2] Note that Operating Income (Loss) includes non-cash impairment charges of $1.7 million and $1.5 for the nine months ended September 30, 2018 and 2017, respectively and $0 and $0.8 million for the three months ended September 30, 2018 and 2017, respectively.