|
Commitments and Contingencies (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2010
|
|
| Operating Leases [Abstract] | |||
| Renewal period under operating lease | 5 years | ||
| Annual future minimum lease payments for non-cancelable operating lease [Abstract] | |||
| 2013 | $ 373,000 | ||
| 2014 | 387,000 | ||
| 2015 | 397,000 | ||
| 2016 | 410,000 | ||
| 2017 | 140,000 | ||
| Total | 1,707,000 | ||
| Rent expense | 470,000 | 691,000 | 760,000 |
| Warranty [Abstract] | |||
| Period of warranty on products | 1 year | ||
| Schedule of changes in product liability included in accrued liabilities [Roll Forward] | |||
| Beginning balance | 608,000 | 1,113,000 | |
| Warranties issued during the period | 282,000 | 261,000 | |
| Settlements made during the period | (471,000) | (815,000) | |
| Changes in liability for pre-existing warranties during the period, including expirations | 128,000 | 49,000 | |
| Ending balance | $ 547,000 | $ 608,000 | $ 1,113,000 |