Note 4 - Derivative Instruments and Hedging Activities (Details) (USD $)	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Note 4 - Derivative Instruments and Hedging Activities (Details) [Line Items]
Increase (Decrease) in Derivative Assets		$ 24,000
Increase (Decrease) in Derivative Liabilities	64,000
Derivative, Gain (Loss) on Derivative, Net	(64,000)
Increase (Decrease) in Loans Held-for-sale		(24,000)
Mortgage Pipeline [Member]
Note 4 - Derivative Instruments and Hedging Activities (Details) [Line Items]
Increase (Decrease) in Derivative Assets	26,000	(14,000)
Increase (Decrease) in Derivative Liabilities	13,000	(10,000)
Derivative, Gain (Loss) on Derivative, Net	$ 13,000	$ (4,000)