Commitments and Contingencies (Tables)

6 Months Ended

Dec. 31, 2012

Commitments and Contingencies [Abstract]

Schedule of changes in warranty liability included in other current liabilities

The warranty liability is included in other current liabilities in the unaudited balance sheet.  The change in the warranty liability for the six months ended December 31, 2012 is summarized in the following table:

Balance at July 1, 2012	$	547,000
Warranties issued during the period		129,000
Settlements made during the period		(166,000	)
Changes in liability for pre-existing warranties during the period, including expirations		74,000
Balance at December 31, 2012	$	584,000