Net Income (Loss) Per Share (Details) (USD $)	3 Months Ended
Sep. 30, 2012	Sep. 30, 2011
Numerators for basic and diluted per share data:
Income (loss) from continuing operations	$ (59,000)	$ 346,000
Income from discontinued operations	42,000	100,000
Net income (loss)	$ (17,000)	$ 446,000
Basic:
Weighted average common shares outstanding	3,279,578	3,272,350
Shares used in the computation of basic per share data	3,279,578	3,272,350
Diluted:
Shares used in the computation of basic per share data	3,279,578	3,272,350
Net shares assumed issued using the treasury stock method for outstanding common stock options		7,695
Shares used in the computation of diluted per share data	3,279,578	3,280,045
Basic per share data:
Income (loss) from continuing operations	$ (0.02)	$ 0.11
Income from discontinued operations	$ 0.01	$ 0.03
Net income (loss)	$ (0.01)	$ 0.14
Diluted per share data:
Income (loss) from continuing operations	$ (0.02)	$ 0.11
Income from discontinued operations	$ 0.01	$ 0.03
Net income (loss)	$ (0.01)	$ 0.14

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