Note 10 - Earnings (Loss) Per Share (Details) - Earnings (Loss) Per Share Reconciliation (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Numerator :
Income (loss) from continuing operations before extraordinary gain (in Dollars)									$ 1,107	$ (58,054)	$ (1,917)
Income (loss) from discontinued operations, net of income taxes (Footnote 3) (in Dollars)									3,085	3,198	1,643
Extraordinary gain (net of tax expense) (Footnote 13) (in Dollars)											$ 455
Net income (loss) for basic and dilutive earnings per share									$ 4,192	$ (54,856)	$ 181
Denominator :
Denominator for basic earnings per share - weighted average shares (in Shares)									16,391	16,391	16,391
Effect of dilutive securities:
Employee and director stock options (in Shares)									75
Denominator for diluted earnings per share - adjusted weighted average shares (in Shares)									16,466	16,391	16,391
Basic earnings (loss) per share :
Net income (loss) from continuing operations, before extraordinary gain									$ 0.07	$ (3.54)	$ (0.12)
Net income from discontinued operations	$ 0.03	$ 0.10	$ 0.05	$ 0.01	$ 0.08	$ 0.06	$ 0.03	$ 0.02	$ 0.19	$ 0.19	$ 0.10
Extraordinary gain, net of income taxes											$ 0.03
Net income (loss)	$ 0.06	$ 0.12	$ 0.07	$ 0.02	$ 0.04	$ (3.39)		$ (0.01)	$ 0.26	$ (3.35)	$ 0.01
Diluted earnings (loss) per share :
Net income (loss) from continuing operations, before extraordinary gain									$ 0.07	$ (3.54)	$ (0.12)
Net income from discontinued operations	$ 0.02	$ 0.10	$ 0.05	$ 0.01	$ 0.08	$ 0.06	$ 0.03	$ 0.02	$ 0.18	$ 0.19	$ 0.10
Extraordinary gain, net of income taxes											$ 0.03
Net income (loss)	$ 0.05	$ 0.12	$ 0.07	$ 0.02	$ 0.04	$ (3.39)		$ (0.01)	$ 0.25	$ (3.35)	$ 0.01