Long-Term Debt and Notes Payable - Summary of Long-Term Debt and Notes Payable (Details) - USD ($) |
Dec. 31, 2015 |
Dec. 31, 2014 |
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Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | $ 6,481,643 | $ 6,822,930 | |||||||||||||||||
Current portion of long-term debt | 5,383,002 | 1,813,647 | |||||||||||||||||
Long-term debt, less current portion | 1,098,641 | 5,009,283 | |||||||||||||||||
Note Payable, due January 2017, net of discount of $171,868 and $343,733, respectively [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [1] | $ 4,828,132 | 4,656,267 | ||||||||||||||||
Note Payable, due June 2019 [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [2] | $ 500,000 | |||||||||||||||||
Note Payable, due January 2017 [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [3] | $ 942,918 | |||||||||||||||||
Note Payable, due October 2018 [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [4] | 132,596 | $ 176,731 | ||||||||||||||||
Mortgage Note, South Africa, due July 2024 [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [5] | 208,131 | 294,362 | ||||||||||||||||
Bank overdraft facilities, South Africa, annual renewal [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [6] | 180,377 | 151,868 | ||||||||||||||||
Equipment financing arrangements, South Africa [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [7] | $ 189,489 | 343,702 | ||||||||||||||||
Bank line of Credit, expired in 2015 [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [3] | 500,000 | |||||||||||||||||
Loans, paid in full in 2015 [Member] | |||||||||||||||||||
Short-term Debt [Line Items] | |||||||||||||||||||
Total Long-term Debt | [8] | $ 200,000 | |||||||||||||||||
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