XML 60 R38.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value Measurements - Fair Value of Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($)
Jun. 30, 2018
Jun. 30, 2017
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash and cash equivalents $ 297,389 $ 1,911,170
Level 1    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash and cash equivalents $ 297,389