Income (Loss) Per Share and Per Unit - Computation of Basic and Diluted Net Income Per Share (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Numerator
Net loss available to common stockholders for basic and diluted computation	$ (1,653,763)	$ (238,343)
Denominator
Weighted average number of common shares outstanding	14,216,425	14,114,373
Weighted average number of Unearned ESOP Shares	(605,675)	(641,929)
Total weighted average number of common shares outstanding for basic computation	13,610,750	13,472,444
Basic	$ (0.12)	$ (0.02)