Commitments and Contingencies (Tables)

9 Months Ended

Mar. 31, 2013

Commitments and Contingencies [Abstract]

Changes in warranty liability

The warranty liability is included in other current liabilities in the unaudited balance sheet.  The change in the warranty liability for the nine months ended March 31, 2013 is summarized in the following table:

Balance at July 1, 2012	$	547,000
Warranties issued during the period		172,000
Settlements made during the period		(201,000	)
Changes in liability for pre-existing warranties during the period		54,000
Balance at March 31, 2013	$	572,000