XML 88 R73.htm IDEA: XBRL DOCUMENT v3.21.1
Leases - Lease assets and liabilities (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Current    
Prepaid expenses and other current assets $ 108,303 $ 33,567
Current assets of discontinued operations   2,530
Noncurrent    
Operating lease right-of-use assets 1,329,561 1,811,516
Long-term assets of discontinued operations 33,909 2,627,696
Total lease right-of-use assets 1,471,773 4,475,309
Current    
Current maturities of operating leases 455,788 688,540
Current liabilities of discontinued operations 29,432 67,211
Noncurrent    
Noncurrent operating leases 982,076 1,156,543
Noncurrent liabilities of discontinued operations 2,499 2,679,932
Total lease obligations $ 1,469,795 $ 4,592,226
Operating leases, weighted average remaining lease term 3 years 4 months 24 days 3 years 6 months
Operating leases, weighted average discount rate 4.15% 4.37%
Discontinued Operations    
Noncurrent    
Operating leases, weighted average remaining lease term 1 year 1 month 6 days 24 years
Operating leases, weighted average discount rate 3.48% 4.68%