Segments of Business - Summary of Revenues, Operating Loss, Long-Lived Assets By Geographic Area (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Dec. 31, 2016 |
|
| Segment Reporting Information [Line Items] | ||||||
| Revenue: | $ 10,725,365 | $ 10,976,639 | $ 10,976,639 | $ 31,350,678 | $ 31,840,409 | |
| Operating Income (Loss): | (1,398,442) | (517,531) | $ (517,531) | (3,469,287) | (1,806,681) | |
| Non-current Assets: | 29,219,958 | 29,219,958 | $ 31,692,443 | |||
| United States [Member] | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenue: | 8,353,055 | 8,570,452 | 24,863,979 | 25,475,352 | ||
| Operating Income (Loss): | (1,401,618) | (550,833) | (2,832,502) | (1,822,814) | ||
| Non-current Assets: | 25,491,405 | 25,491,405 | 26,812,062 | |||
| South Africa [Member] | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenue: | 1,502,349 | 1,495,757 | 4,369,122 | 4,017,330 | ||
| Operating Income (Loss): | (50,060) | (35,331) | (769,536) | (152,960) | ||
| Non-current Assets: | 1,200,622 | 1,200,622 | 2,519,135 | |||
| Europe [Member] | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenue: | 869,961 | 910,430 | 2,117,577 | 2,347,727 | ||
| Operating Income (Loss): | 53,236 | $ 68,633 | 132,751 | $ 169,093 | ||
| Non-current Assets: | $ 2,527,931 | $ 2,527,931 | $ 2,361,246 | |||