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Stockholders' Equity (Details) (USD $) | 6 Months Ended |  | 0 Months Ended |  | 0 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2012 Restricted stock | Dec. 31, 2012 Stock options | Dec. 31, 2012 Common stock | Dec. 20, 2012 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
Stock options exercised (in shares) |  | 30,000 |  |  |  |  |  | 30,000 |  |  |
Net share issuance |  |  |  |  |  |  |  |  | 15,512 |  |
Exercise price of options (in dollars per share) |  |  |  |  |  |  |  | $ 4.10 |  |  |
Number of shares issued |  |  |  |  |  |  | 154,227 |  |  | 25,000 | 31,970
Total unrecognized stock-based compensation expense | $ 3,062,390 |  |  |  |  | $ 1,223,020 |  |  |  |  |
Period for recognition of stock-based compensation expense (vesting period) | 2 years 6 months |  |  |  |  | 4 years |  |  |  |  |
Value of shares issued |  |  |  |  |  |  |  |  |  | $ 191,750 | $ 249,973
Vesting period |  |  |  |  |  |  |  |  |  | 2 years | 1 year
Shares acquired from related party |  |  |  | 2,137 |  |  |  |  |  |  |
Share acquisition cost per share (in dollars per share) |  |  | $ 8.13 |  | $ 7.94 |  |  |  |  |  |

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