Consolidated Balance Sheets (Parentheticals) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Allowance for loan losses	$ 2,593,715	$ 2,509,334
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, share authorized (in shares)	5,000,000	5,000,000
Common stock, share issued (in shares)	2,974,019	1,682,997
Common stock, share outstanding (in shares)	2,974,019	1,682,997