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Stock Based Compensation (Tables) | 9 Months Ended
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Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock-based Compensation Expense, Allocation of Recognized Period Costs | Stock-based compensation expense for the periods reflected was as follows:
|  | Three Months Ended March 31, |  | Nine Months Ended March 31, |
|  | 2015 |  | 2014 |  | 2015 |  | 2014 |
Stock-based compensation included in: |  |  |  |  |  |  |  |  |
Exploration expense (1) |  | $ | 136,429 |  |  | $ | 69,625 |  |  | $ | 241,663 |  |  | 296,571 |  |
Stock-based compensation expense (2) |  | 127,025 |  |  | 122,951 |  |  | 399,068 |  |  | 689,746 |  |
Total stock-based compensation expense |  | $ | 263,454 |  |  | $ | 192,576 |  |  | $ | 640,731 |  |  | $ | 986,317 |  |
(1) | Related to restricted stock and stock option awards to a former technical consultant.
(2) | Related to restricted stock and stock option awards to the Company’s directors and employees.
Schedule of Restricted Stock and Stock Options | Stock Options. The option awards listed in the table below have been granted to directors, officers, employees and consultants of the Company:
Option Awards
Period Granted |  | Options Granted |  | Weighted Average Exercise Price |  | Vesting Period (7)
September 2011 (1) |  | 50,000 |  | $13.13 |  | Vests over two years, beginning with one-third on the grant date.
July 2012 (2) |  | 100,000 |  | $10.25 |  | Vests over two years, beginning with one-third on the grant date.
December 2012 (3) |  | 250,000 |  | $10.20 |  | Vests over two years, beginning with one-third on the grant date.
June 2013 (4) |  | 37,500 |  | $10.00 |  | Vested Immediately
July 2013 (5) |  | 5,000 |  | $10.00 |  | Vested Immediately
September 2013 (6) |  | 37,500 |  | $10.01 |  | Vested Immediately
September 2013 (6) |  | 15,000 |  | $10.01 |  | Vests over two years, beginning with one-third on the grant date.
(1) The Company granted 40,000 stock options to its directors and officers and an additional 10,000 stock options to a former technical consultant, for services performed during fiscal year 2011. (2) The Company granted 75,000 stock options to its directors and officers and an additional 25,000 stock options to a former technical consultant for services performed during fiscal year 2012. (3) The Company granted 175,000 stock options to its directors and an additional 75,000 stock options to a former technical consultant for services performed during fiscal year 2013. (4) The Company granted 37,500 stock options to its employees for services performed during fiscal year 2013. (5) The Company granted 5,000 stock options to an employee of Avalon for services performed during fiscal year 2013. (6) The Company granted 52,500 stock options to its employees for services performed during the first quarter of fiscal year 2014. (7) If at any time there occurs a change of control, as defined in the 2010 Plan, any options that are unvested at that time will immediately vest.
2010 Plan [Member] | Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | A summary of the status of stock options granted under the 2010 Plan as of March 31, 2015 and changes during the nine months then ended, is presented in the table below:
|  | Nine Months Ended March 31, 2015
|  | Shares Under Options |  | Weighted Average Exercise Price
Outstanding, June 30, 2014 |  | 445,000 |  |  | $10.41
Granted |  | — |  |  | — |
Exercised |  | — |  |  | — |
Forfeited |  | — |  |  | — |
Outstanding, March 31, 2015 |  | 445,000 |  |  | $10.41
Aggregate intrinsic value |  | $ | — |  |  |
Exercisable, end of period |  | 440,000 |  |  | $10.42
Aggregate intrinsic value |  | $ | — |  |  |
Available for grant, end of period |  | 299,094 |  |  |

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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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