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Stock-Based Incentive Plan - Stock Options and Incentive Warrants (Details)
 3 Months Ended
Sep. 30, 2015
USD ($)
$ / shares
shares
Common Stock  
Additional disclosures of Stock Options and Incentive Warrants  
Market price of common stock on the last trading date of the period (in dollars per share) $ 5.55
Stock Options and Incentive Warrants  
Number of Stock Options and Incentive Warrants  
Stock Options and Incentive Warrants outstanding at the beginning of the period (in shares) | shares 91,061
Stock Options and Incentive Warrants, Exercised (in shares) | shares 0
Stock Options and Incentive Warrants, Expired (in shares) | shares (5,830)
Stock Options and Incentive Warrants outstanding at the end of the period (in shares) | shares 85,231
Vested or expected to vest at the end of the period (in shares) | shares 85,231
Exercisable at the end of the period (in shares) | shares 85,231
Weighted Average Exercise Price  
Stock Options and Incentive Warrants outstanding at the beginning of the period (in dollars per share) $ 2.50
Stock Options and Incentive Warrants, Exercised (in dollars per share)
Stock Options and Incentive Warrants, Expired (in dollars per share) $ 4.02
Stock Options and Incentive Warrants outstanding at the end of the period (in dollars per share) 2.40
Vested or expected to vest at the end of the period (in dollars per share) 2.40
Exercisable at the end of the period (in dollars per share) $ 2.40
Stock Options and Incentive Warrants outstanding at the end of the period | $ $ 268,376 [1]
Vested or expected to vest at the end of the period | $ 268,376 [1]
Exercisable at the end of the period (in dollars) | $ $ 268,376 [1]
Stock Options and Incentive Warrants outstanding at the end of the period 1 year 2 months 12 days
Vested or expected to vest at the end of the period 1 year 2 months 12 days
Exercisable at the end of the period 1 year 2 months 12 days
[1] Based upon the difference between the market price of our common stock on the last trading date of the period ($5.55 as of September 30, 2015) and the Stock Option exercise price of in-the-money Stock Options.