Long-Term Debt and Notes Payable - Summary of Long-Term Debt and Notes Payable (Details) - USD ($) |
Jun. 30, 2018 |
Dec. 31, 2017 |
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|---|---|---|---|---|---|---|---|
| Short-term Debt [Line Items] | |||||||
| Total Long-term Debt | $ 6,157,534 | $ 5,741,911 | |||||
| Note Payable, Due December 31, 2018 [Member] | |||||||
| Short-term Debt [Line Items] | |||||||
| Total Long-term Debt | [1] | 5,413,305 | 4,826,610 | ||||
| Notes Payable Paragon Bank [Member] | |||||||
| Short-term Debt [Line Items] | |||||||
| Total Long-term Debt | [2] | 439,761 | 572,276 | ||||
| Note Payable [Member] | |||||||
| Short-term Debt [Line Items] | |||||||
| Total Long-term Debt | 75,000 | 75,000 | |||||
| Note Payable, Due March 2019 [Member] | |||||||
| Short-term Debt [Line Items] | |||||||
| Total Long-term Debt | 7,221 | ||||||
| Receivables Financing Facilities [Member] | |||||||
| Short-term Debt [Line Items] | |||||||
| Total Long-term Debt | 52,356 | 76,109 | |||||
| Bank Overdraft Facilities, South Africa, Annual Renewal [Member] | |||||||
| Short-term Debt [Line Items] | |||||||
| Total Long-term Debt | 159,180 | 164,619 | |||||
| Equipment Financing Arrangements, South Africa [Member] | |||||||
| Short-term Debt [Line Items] | |||||||
| Total Long-term Debt | $ 10,711 | $ 27,297 | |||||
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