Note 13 - Income Taxes (Details) - Provision for Income Taxes (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Current:
Federal	$ 36,000	$ 820,000
State	176,000	146,000
Foreign	69,000	69,000
Total current	281,000	1,035,000
Deferred:
Federal	779,000	21,000
State	132,000	4,000
Total deferred	911,000	25,000
Total	$ 1,192,000	$ 1,060,000