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Note 14 - Leases - Supplemental Cash Flow Information Related to Operating Leases (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Cash payments for operating leases $ 6,557,563 $ 6,211,256
New operating lease assets obtained in exchange for operating lease liabilities $ 13,987,968 $ 881,610