Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.5.0.2
Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Valuation Allowance [Line Items]    
Decrease in valuation allowance $ 1,200,000  
Deferred tax asset, net of tax liability related to basis difference in foreign subsidiaries 7,000,000  
Basis difference in foreign subsidiaries 11,600,000  
Income tax expense 0 $ 0
Deferred tax assets 0  
Uncertain tax positions 0 $ 0
Federal    
Valuation Allowance [Line Items]    
Tax deduction from compensation expense $ 252,000