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Income Taxes - Reconciliation of Statutory and Income Tax Expense (Details) - USD ($)
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Income Tax Disclosure [Abstract]      
Income tax provision (benefit) computed at the statutory federal rate: $ 2,868,267 $ 1,866,366 $ 3,623,784
State income taxes, net of federal tax benefit 595,708 189,081 413,019
Permanent differences related to stock-based compensation 0 (155,817) 8,933
Expiring NOLs related to 2004 reverse merger 0 0 600,964
Deferred tax asset valuation adjustment 0 0 (600,964)
Other permanent differences (19,754) (7,632) (15,975)
Total income tax provision $ 3,444,221 $ 1,891,998 $ 4,029,761