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Compensatory Equity Incentive Plan and Other Equity Incentives (Details 2) - $ / shares
 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Balance, beginning, shares 819,260 722,483  
Granted, shares 346,926 155,592  
Exercised, shares   (6,077)  
Cancelled/Forfeited, shares (70,000) (52,738)  
Balance ending, shares 1,096,186 819,260 722,483
Balance ending, shares exercisable and vested 851,675    
Balance ending, shares unexercisable and unvested 244,511 182,250 224,500
Weighted average exercise price - Stock Options      
Balance Beginning $ 1.90 $ 2.08  
Granted 1.63 1.49  
Exercised   1.07  
Cancelled/Forfeited 4.04 3.26  
Balance Ending 1.68 $ 1.90 $ 2.08
Exercisable - Balance Ending 1.70    
Unexercisable/unvested - Balance Ending $ 1.60    
Weighted average remaining contract life - Stock Options      
Balance 6 years 3 months 19 days 5 years 7 months 6 days 5 years 3 months 19 days
Granted 9 years 4 months 24 days 9 years 4 months 24 days  
Exercised   3 years 8 months 12 days  
Exercisable/vested 5 years 8 months 12 days    
Unexercisable/unvested 8 years 7 months 6 days    
Balance, beginnings, shares 1,311,795 1,075,300  
Granted, shares 230,772 236,495  
Exercised, share (33,785)    
Balance, endings, shares 1,508,782 1,311,795 1,075,300
Balance, ending, shares exercisable and vested 1,069,870    
Balance, ending, shares unexercisable/unvested 438,912 441,599 403,870
Weighted average remaining contract life - Restricted Stock Units 10 months 25 days 10 months 25 days 10 months 25 days
Weighted average remaining contract life grants in period - Restricted Stock Units 2 years 3 months 19 days 2 years 3 months 19 days  
Weighted average remaining contract life unexercisable/unvested - Restricted Stock Units 10 months 25 days