Note 5 - Net Loss Per Share (Details) - Net Loss Per Share (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Numerator:
Loss from continuing operations attributable to common stockholders (in Dollars)	$ (481)	$ (902)	$ (1,169)	$ (2,425)
Income from discontinued operations (in Dollars)	0	242	0	233
Net loss attributable to common stockholders (in Dollars)	$ (481)	$ (660)	$ (1,169)	$ (2,192)
Denominator:
Weighted average shares used in computing basic and diluted net loss per share attributable to common stockholders (in Shares)	76,231,000	3,283,000	71,613,000	3,283,000
Basic and diluted net loss per share
Loss from continuing operations	$ (0.01)	$ (0.27)	$ (0.02)	$ (0.74)
Profit from discontinued operations	$ 0	$ 0.07		$ 0.07
Net loss	$ (0.01)	$ (0.20)	$ (0.02)	$ (0.67)
Antidilutive securities including options, warrants and convertible notes and preferred stock not included in net loss per share calculation (in Shares)	7,796,000	17,905,000	7,796,000	17,905,000