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Stock Option Plan (Tables) | 12 Months Ended
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Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of weighted-average grant-date fair value of the options |
​ | Options | ​ | ​ | Shares | ​ | ​ | Weighted- Average Exercise Price Per Share | ​
--- | --- | --- | --- | --- | --- | --- | --- | ---
​ | Outstanding, June 30, 2013 | ​ | ​ | ​ | ​ | 1,498,380 |  | ​ | ​ | ​ | ​ | $ | 11.83 |  | ​ | ​
​ | Granted | ​ | ​ | ​ | ​ | — |  | ​ | ​ | ​ | ​ | ​ | — |  | ​ | ​
​ | Exercised | ​ | ​ | ​ | ​ | — |  | ​ | ​ | ​ | ​ | ​ | — |  | ​ | ​
​ | Forfeited or expired | ​ | ​ | ​ | ​ | — |  | ​ | ​ | ​ | ​ | ​ | — |  | ​ | ​
​ | Outstanding, June 30, 2014 | ​ | ​ | ​ | ​ | 1,498,380 |  | ​ | ​ | ​ | ​ | $ | 11.83 |  | ​ | ​
​ | Exercisable, June 30, 2014 | ​ | ​ | ​ | ​ | 1,498,380 |  | ​ | ​ | ​ | ​ | $ | 11.83 |  | ​ | ​
​ |  | ​ | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |  | ​
Schedule of the assumptions included in the Black-Scholes model |
​ | ​ | ​ | ​ | 2013 | ​
--- | --- | --- | --- | --- | ---
​ | Risk-free rate of return | ​ | ​ | 2.70% | ​
​ | Expected life | ​ | ​ | 3.0 to 7.5 years | ​
​ | Expected volatility | ​ | ​ | 35%−50% | ​
​ | Expected dividend yield | ​ | ​ | 0.00% | ​
​ |  | ​ | ​ |  | ​

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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