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Stockholders' Deficit - Options Outstanding under Plan (Details)
12 Months Ended
Jun. 30, 2017
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number outstanding at June 30, 2017 | shares 2,893,240
Weighted average exercise price $ 3.48
Weighted average remaining term (yrs.) 3 years 11 months 16 days
Number exercisable at June 30, 2017 | shares 2,495,650
Weighted average exercise price $ 3.42
1.59 - 3.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise price, Minimum 1.59
Range of exercise price, Maximum $ 3.00
Number outstanding at June 30, 2017 | shares 655,163
Weighted average exercise price $ 1.98
Weighted average remaining term (yrs.) 5 years 3 months 18 days
Number exercisable at June 30, 2017 | shares 491,533
Weighted average exercise price $ 1.88
3.01 - 5.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise price, Minimum 3.01
Range of exercise price, Maximum $ 5.00
Number outstanding at June 30, 2017 | shares 1,950,233
Weighted average exercise price $ 3.65
Weighted average remaining term (yrs.) 3 years 6 months 15 days
Number exercisable at June 30, 2017 | shares 1,763,729
Weighted average exercise price $ 3.59
5.01 - 7.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise price, Minimum 5.01
Range of exercise price, Maximum $ 7.00
Number outstanding at June 30, 2017 | shares 242,844
Weighted average exercise price $ 5.15
Weighted average remaining term (yrs.) 3 years 1 month 28 days
Number exercisable at June 30, 2017 | shares 240,388
Weighted average exercise price $ 5.15
7.01 - 9.50 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise price, Minimum 7.01
Range of exercise price, Maximum $ 9.50
Number outstanding at June 30, 2017 | shares 45,000
Weighted average exercise price $ 8.70
Weighted average remaining term (yrs.) 7 years