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v3.21.1

Leases - Lease assets and liabilities (Details) - USD ($) | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Current |  |
Prepaid expenses and other current assets | $ 93,323 | $ 108,303
Current assets of discontinued operations | 26,197 |
Noncurrent |  |
Operating lease right-of-use assets | 2,889,508 | 1,329,561
Long-term assets of discontinued operations |  | 33,909
Total lease right-of-use assets | 3,009,028 | 1,471,773
Current |  |
Current maturities of operating leases | 462,464 | 455,788
Current liabilities of discontinued operations | 24,669 | 29,432
Noncurrent |  |
Noncurrent operating leases | 2,520,367 | 982,076
Noncurrent liabilities of discontinued operations | 0 | 2,499
Total lease obligations | $ 3,007,500 | $ 1,469,795
Operating leases, weighted average remaining lease term | 7 years 6 months | 3 years 4 months 24 days
Operating leases, weighted average discount rate | 4.92% | 4.15%
Discontinued Operations |  |
Noncurrent |  |
Operating leases, weighted average remaining lease term | 10 months 24 days | 1 year 1 month 6 days
Operating leases, weighted average discount rate | 3.48% | 3.48%

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