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Common Stock Incentive, Stock Purchase Plans and Other Compensation Plans - Stock Option Activity (Details)
shares in Thousands
 9 Months Ended
Mar. 31, 2016
$ / shares
shares
Share activity:  
Outstanding, beginning of period (in shares) | shares 1,127,750
Granted (in shares) | shares 170,000
Exercised (in shares) | shares (16,000)
Canceled or expired (in shares) | shares (324,000)
Outstanding, end of period (in shares) | shares 957,750
Weighted Average Exercise Price:  
Outstanding weighted average exercise price, beginning of period (in dollars per share) | $ / shares $ 1.53
Granted weighted average exercise price (in dollars per share) | $ / shares 1.50
Exercised weighted average exercise price (in dollars per share) | $ / shares 1.09
Canceled or expired weighted average exercise price (in dollars per share) | $ / shares 2.56
Outstanding weighted average exercise price, end of period (in dollars per share) | $ / shares $ 1.18