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v3.19.3

Notes Payable - Additional Information (Details) |  | 9 Months Ended |
--- | --- | --- | ---
Nov. 03, 2015 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2018 USD ($)
Principle amount |  |  | $ 5,000,000
Green Bank |  |  |
Principle amount | $ 10,000,000 |  |
Term of the loan | 21 years |  |
Debt service coverage ratio | 1.25 |  |
Net worth ratio | 1.0 |  |
Minimum current ratio | 1.5 |  |
Collateral amount of loan | $ 1,000,000 |  |
Loan guarantee |  | 90.00% |
Guarantee fee |  | $ 270,000 |
Annual fee |  | 0.50% |
Green Bank | Maximum |  |  |
Interest rate | 6.00% |  |
Green Bank | Minimum |  |  |
Interest rate | 2.00% |  |

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