Note 10 - Treasury Stock (Details) - Treasury Stock Activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Treasury Stock Activity [Abstract]
Number of Shares Repurchased	25,525	27,329
Cost	$ 28	$ 36
Weighted Average Purchase Price	$ 1.11	$ 1.32