The tables below summarize gross unrealized losses on investment securities and the fair market value of the related securities, aggregated by investment category and length of time (Details)	Jun. 30, 2021 USD ($) Number	Dec. 31, 2020 USD ($) Number
Marketable Securities [Line Items]
Number of positions, less than 12 months | Number	20	4
Fair Value, less than 12 months	$ 84,501,283	$ 29,839,740
Gross Unrealized Losses, less than 12 months	$ (1,462,152)	$ (160,260)
Number of positions | Number	20	4
Fair value	$ 84,501,283	$ 29,839,740
Gross Unrealized Losses	$ (1,462,152)	$ (160,260)
US Treasury Securities [Member]
Marketable Securities [Line Items]
Number of positions, less than 12 months | Number	6
Fair Value, less than 12 months	$ 30,484,170
Gross Unrealized Losses, less than 12 months	$ (163,342)
Number of positions | Number	6
Fair value	$ 30,484,170
Gross Unrealized Losses	$ (163,342)
US Government-sponsored Enterprises Debt Securities [Member]
Marketable Securities [Line Items]
Number of positions, less than 12 months | Number	7	4
Fair Value, less than 12 months	$ 50,188,540	$ 29,839,740
Gross Unrealized Losses, less than 12 months	$ (1,216,012)	$ (160,260)
Number of positions | Number	7	4
Fair value	$ 50,188,540	$ 29,839,740
Gross Unrealized Losses	$ (1,216,012)	$ (160,260)
US States and Political Subdivisions Debt Securities [Member]
Marketable Securities [Line Items]
Number of positions, less than 12 months | Number	7
Fair Value, less than 12 months	$ 3,828,573
Gross Unrealized Losses, less than 12 months	$ (82,798)
Number of positions | Number	7
Fair value	$ 3,828,573
Gross Unrealized Losses	$ (82,798)