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Summary of Significant Accounting Policies (Details) (USD $) | 12 Months Ended
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Jun. 30, 2012 | Jun. 30, 2011
Summary of Significant Accounting Policies (Textual) [Abstract] |  |
Warranty for repairs and replacements of defective parts | 1 year |
Maturity of liquid investments | 90 days or less |
Advertising costs | $ 358,000 | $ 397,000
Building [Member] |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |
Property and Equipment useful life | 39 years |
Minimum [Member] |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |
Cash-Based plans awards | 12.50% |
Minimum [Member] | Equipment [Member] |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |
Property and Equipment useful life | 3 years |
Maximum [Member] |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |
Cash-Based plans awards | 75.00% |
Maximum [Member] | Equipment [Member] |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |
Property and Equipment useful life | 10 years |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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