Note 20 - Condensed Financial Statements of Parent Company - Condensed Statements of Financial Condition (Details) - USD ($)	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Cash and due from bank	$ 24,436,793	$ 47,101,688
Fair value	102,429,128	70,484,400
Loans and leases, net of unearned income	336,738,383	220,156,691
Other assets	1,920,740	1,527,014
Total Assets	514,530,016	392,916,555
Liabilities	454,738,786	331,371,972
Common stock	34,111	34,136
Additional paid in capital	31,656,235	31,242,731
Retained earnings	31,730,673	32,659,455
Unearned ESOP shares	2,221,800	2,369,920
Accumulated other comprehensive loss	(1,407,989)	(21,819)
Total Shareholders' Equity	59,791,230	61,544,583	$ 60,799,708
Total Liabilities and Shareholders' Equity	514,530,016	392,916,555
Parent Company [Member]
Cash and due from bank	3,250,700	5,725,430
Fair value	2,016,730	1,000,250
Loans and leases, net of unearned income	479,473	632,786
ESOP loan receivable	2,332,992	2,449,810
Investment in bank subsidiary	51,487,261	51,548,080
Other assets	224,074	214,581
Total Assets	59,791,230	61,570,937
Liabilities		26,354
Common stock	34,111	34,136
Additional paid in capital	31,656,235	31,242,731
Retained earnings	31,730,673	32,659,455
Unearned ESOP shares	2,221,800	2,369,920
Accumulated other comprehensive loss	(1,407,989)	(21,819)
Total Shareholders' Equity	59,791,230	61,544,583
Total Liabilities and Shareholders' Equity	$ 59,791,230	$ 61,570,937