Common Stock Incentive, Stock Purchase Plans and Other Compensation Plans - Stock Options by Exercise Price (Details)	6 Months Ended
	Dec. 31, 2016 $ / shares shares
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)	3.20
$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) | shares	432,750
Options Outstanding Weighted- Average Remaining Contractual Life (years)	3 years 7 months 20 days
Weighted average exercise price (in dollars per share)	$ 0.60
Number exercisable (in shares) | shares	432,750
Options exercisable weighted average exercise price (in dollars per share)	$ 0.60
$1.20 - 1.67
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range (in dollars per share)	1.20
Exercise price upper range (in dollars per share)	$ 1.67
Number outstanding (in shares) | shares	650,000
Options Outstanding Weighted- Average Remaining Contractual Life (years)	7 years 10 months 20 days
Weighted average exercise price (in dollars per share)	$ 1.44
Number exercisable (in shares) | 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)	$ 3.20
Number outstanding (in shares) | shares	86,334
Options Outstanding Weighted- Average Remaining Contractual Life (years)	8 years 3 months 7 days
Weighted average exercise price (in dollars per share)	$ 3.20
Number exercisable (in shares) | shares	39,003
Options exercisable weighted average exercise price (in dollars per share)	$ 3.20
$0.32 - 3.20
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)	$ 3.20
Number outstanding (in shares) | shares	1,169,084
Options Outstanding Weighted- Average Remaining Contractual Life (years)	6 years 4 months 6 days
Weighted average exercise price (in dollars per share)	$ 1.26
Number exercisable (in shares) | shares	901,753
Options exercisable weighted average exercise price (in dollars per share)	$ 1.06