Subsequent Events (Details) (USD $)	12 Months Ended
	Jun. 30, 2012
Subsequent Event [Line Items]
Minimum Net Worth Required for Compliance	$ 34,200,000
Dividends Payable, Date Declared	Sep. 27, 2012
Dividends Payable, Amount Per Share	$ 0.25
Dividends Payable, Date to be Paid	Nov. 01, 2012
Dividends Payable, Date of Record	Oct. 10, 2012
Subsequent Event [Member]
Subsequent Event [Line Items]
Amount received fom Inspectron for CBU's assets	838,000
Disposal Group, Including Discontinued Operation, Accrued Liabilities	608,000
Minimum Net Worth Required for Compliance	33,200,000
Date company entered Second Amendment to Credit Agreement with Comerica Bank	Aug. 30, 2012
Fiscal Year 2013 [Member]
Subsequent Event [Line Items]
Potential Dividends Payable	2,800,000
Fiscal Years Thereafter [Member]
Subsequent Event [Line Items]
Potential Dividends Payable	$ 1,800,000