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v3.20.1

Note Payable (Details Narrative) - USD ($) |  |  | 3 Months Ended
--- | --- | --- | ---
May 13, 2020 | Jun. 27, 2018 | Mar. 31, 2020 | Mar. 31, 2019
Horizon Credit Agreement [Member] |  |  |  |
Interest expense, debt, total |  |  | $ 243,299 | $ 253,289
Amortization of debt issuance costs |  |  | $ 96,066 | $ 97,458
Horizon Credit Agreement [Member] |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 10,000,000 |  |
Proceeds from lines of credit, total |  | $ 10,000,000 |  |
Horizon Credit Agreement [Member] | Subsequent Event [Member] | Horizon Technology Finance Corporation [Member] | August and September 2020 [Member] |  |  |  |
Payments to capital liabilities | $ 833,333 |  |  |

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