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7. Debt (Details) - USD ($) | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Long-term debt, net | $ 29,515,476 | $ 29,471,431
Issuance costs |  |
Long-term debt, net | (395,280) | (431,244)
5.50% Senior Unsecured Notes |  |
Long-term debt, net | 30,000,000 | 30,000,000
Discount |  |
Long-term debt, net | $ (89,244) | $ (97,325)

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