Common Stock Incentive, Stock Purchase Plans, and Other Compensation Plans - Aggregate Intrinsic Value (Details) - $ / shares	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range (in dollars per share)	$ 0.32	$ 0.32
Exercise price upper range (in dollars per share)	$ 3.2	$ 3.2
Number Outstanding (in shares)	1,826,264
Options Outstanding Weighted- Average Remaining Contractual Life (years)	7 years 6 months 4 days
Weighted- Average Exercise Price (in dollars per share)	$ 1.21
Number Exercisable (in shares)	879,086
Options Exercisable Weighted- Average Exercise Price (in dollars per share)	$ 1.14
$0.32 – 0.71
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range (in dollars per share)	0.32
Exercise price upper range (in dollars per share)	$ 0.71
Number Outstanding (in shares)	387,750
Options Outstanding Weighted- Average Remaining Contractual Life (years)	3 years 4 months 10 days
Weighted- Average Exercise Price (in dollars per share)	$ 0.62
Number Exercisable (in shares)	387,750
Options Exercisable Weighted- Average Exercise Price (in dollars per share)	$ 0.62
$1.06 – 1.67
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range (in dollars per share)	1.06
Exercise price upper range (in dollars per share)	$ 1.67
Number Outstanding (in shares)	1,353,514
Options Outstanding Weighted- Average Remaining Contractual Life (years)	8 years 8 months 5 days
Weighted- Average Exercise Price (in dollars per share)	$ 1.26
Number Exercisable (in shares)	430,000
Options Exercisable Weighted- Average Exercise Price (in dollars per share)	$ 1.32
$3.20 – 3.20
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range (in dollars per share)	3.20
Exercise price upper range (in dollars per share)	$ 3.2
Number Outstanding (in shares)	85,000
Options Outstanding Weighted- Average Remaining Contractual Life (years)	7 years 9 months 11 days
Weighted- Average Exercise Price (in dollars per share)	$ 3.20
Number Exercisable (in shares)	61,336
Options Exercisable Weighted- Average Exercise Price (in dollars per share)	$ 3.20