Consolidated Statements of Financial Condition (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Allowance for loan losses on loans receivable	$ 10,563	$ 5,954
Deferred tax valuation allowance	$ 1,713	$ 1,202
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, share authorized	5,000,000	5,000,000
Preferred Stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, shares authorized	25,000,000	25,000,000
Common Stock, shares issued	11,133,290	11,133,290
Common stock, shares outstanding	11,133,290	11,133,290