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Stockholders' Equity (Details) (USD $) | 9 Months Ended |  | 0 Months Ended | 1 Months Ended |  | 0 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2013 Restricted stock | Mar. 31, 2013 Common stock | Feb. 07, 2013 Former consultant | Mar. 08, 2013 Sterling McDonald | Dec. 20, 2012 Sterling McDonald Common stock | Mar. 31, 2013 Sterling McDonald Common stock | Dec. 20, 2012 Sterling McDonald Common stock Weighted average | Sep. 06, 2012 2004 Stock Plan Restricted stock | Sep. 06, 2012 2004 Stock Plan Common stock | Jul. 09, 2012 2004 Stock Plan Contractor Stock options | Jul. 09, 2012 2004 Stock Plan Contractor Common stock | Nov. 23, 2012 2004 Stock Plan Consultant Restricted stock | Dec. 06, 2012 2004 Stock Plan Outside directors Common stock Restricted stock item
Stock options exercised (in shares) |  |  | 50,000 | 250,000 |  |  |  |  |  | 30,000 |  |  |
Net share issuance |  |  |  | 243,725 |  |  |  |  |  |  | 15,512 |  |
Exercise price of options (in dollars per share) |  |  | $ 1.41 | $ 0.25 |  |  |  |  |  | $ 4.10 |  |  |
Number of shares issued |  |  |  |  |  |  |  |  | 154,227 |  |  | 25,000 | 31,970
Total unrecognized stock-based compensation expense | $ 2,669,957 |  |  |  |  |  |  | $ 1,223,020 |  |  |  |  |
Period for recognition of stock-based compensation expense (vesting period) | 2 years 4 months 24 days |  |  |  |  |  |  | 4 years |  |  |  |  |
Number of directors to whom shares of restricted common stock were issued as a part of the board compensation |  |  |  |  |  |  |  |  |  |  |  |  | 5
Value of shares issued |  |  |  |  |  |  |  |  |  |  |  | $ 191,750 | $ 249,973
Vesting period |  |  |  |  |  |  |  |  |  |  |  | 2 years | 1 year
Shares acquired from related party |  |  |  |  | 2,137 | 480 |  |  |  |  |  |  |
Share acquisition cost (in dollars per share) |  | $ 10.15 |  |  |  | $ 10.22 | $ 7.94 |  |  |  |  |  |

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