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Preferred Stock - Schedule of Components of Series H Preferred Stock (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2016 | Aug. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017
Issuance of Series H Preferred Stock on August 10, 2018. shares | 307,475 | 12,209,677 |  |
Net cash proceeds from issuance of Series H Preferred Stock |  |  | $ 12,474,704 |
Series H Preferred Stock [Member] |  |  |  |
Issuance of Series H Preferred Stock on August 10, 2018 |  |  | $ 19,400 |
Issuance of Series H Preferred Stock on August 10, 2018. shares |  |  | 19,399.25 |
Less: shares issued to B. Riley FBR as placement fee |  |  | $ (669,250) |
Less: shares issued to B. Riley FBR as placement fee, shares |  |  | (670) |
Less: shares issued for conversion of principal of 10% Convertible Debentures |  |  | $ (4,775,000) |
Less: shares issued for conversion of principal of 10% Convertible Debentures, shares |  |  | (4,775) |
Less: shares issued to 10% Convertible Debenture holders for additional payment of 20% annual internal rate of return |  |  | $ (955,000) |
Less: shares issued to 10% Convertible Debenture holders for additional payment of 20% annual internal rate of return, shares |  |  | (955) |
Net issuance of Series H Preferred Stock |  |  | $ 13,000,000 |
Net issuance of Series H Preferred Stock, shares |  |  | 13,000 |
Payments made to B. Riley FBR from proceeds: Less: placement fee |  |  | $ (500,000) |
Payments made to B. Riley FBR from proceeds: Less: legal fees and other costs |  |  | (25,296) |
Total payments made from proceeds |  |  | (525,296) |
Net cash proceeds from issuance of Series H Preferred Stock |  |  | 12,474,704 |
Issuance of Series H Preferred Stock |  |  | 19,399,250 |
Less issuance costs: Shares issued to B. Riley FBR as placement fee |  |  | (669,250) |
Less issuance costs: Total payments made from proceeds |  |  | (525,296) |
Less issuance costs: Legal and other costs paid in cash |  |  | (159,208) |
Total issuance costs |  |  | (1,353,754) |
Beneficial conversion feature on Series H Preferred Stock |  |  | $ 18,045,496 |

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