Note 9 - Premises and Equipment and Premises and Equipment Held For Sale (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
	Jun. 30, 2015	Mar. 31, 2016	Mar. 31, 2015
Fraternity Community Bancorp [Member]
Assets Held-for-sale, Not Part of Disposal Group		$ 405,000
Proceeds from Sale of Productive Assets	$ 500,000	463,839	$ 23,500
Gain (Loss) on Disposition of Property Plant Equipment	$ 407,188
Assets Held-for-sale, Not Part of Disposal Group		405,000
Operating Leases, Rent Expense, Net		$ 394,694	$ 390,912