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Earnings Per Share - Additional Information (Detail) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2014 | Mar. 31, 2013
Repurchased Shares: |  |  |  |
Repurchasing amount |  |  | $ 230,347 | $ 84,983
Common Class A |  |  |  |
Repurchased Shares: |  |  |  |
Repurchased shares | 35,065 | 22,203 | 76,511 | 22,203
Repurchasing amount | $ 120,610 | $ 84,983 | $ 230,347 | $ 84,983
Common Class B |  |  |  |
Repurchased Shares: |  |  |  |
Repurchased shares |  |  | 0 |
Common Class C |  |  |  |
Repurchased Shares: |  |  |  |
Repurchased shares |  |  | 0 |
Stock Option |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings per Share [Line Items] |  |  |  |
Options excluded from diluted EPS calculation | 22,000 | 29,000 | 22,000 | 29,000

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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