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Equity Instruments (Details 2) - USD ($)
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation expense $ 152,000 $ 267,000
Stock options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation expense 66,000 195,000
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation expense $ 86,000 $ 72,000