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Stock-Based Incentive Plan - Stock Options and Incentive Warrants (Details)
 9 Months Ended
Mar. 31, 2016
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) $ 4.86
Stock Options  
Number of Stock Options  
Stock Options outstanding at the beginning of the period (in shares) | shares 91,061
Stock Options, Exercised (in shares) | shares (20,000)
Stock Options, Expired (in shares) | shares (5,830)
Stock Options outstanding at the end of the period (in shares) | shares 65,231
Vest and Exercisable at the end of the period (in shares) | shares 65,231
Weighted Average Exercise Price  
Stock Options outstanding at the beginning of the period (in dollars per share) $ 2.50
Stock Options, Exercised (in dollars per share) 2.55
Stock Options, Expired (in dollars per share) 4.02
Stock Options outstanding at the end of the period (in dollars per share) 2.36
Vested and Exercisable at the end of the period (in dollars per share) $ 2.36
Stock Options outstanding at the end of the period | $ $ 163,367 [1]
Vested and Exercisable at the end of the period | $ $ 163,367 [1]
Stock Options outstanding at the end of the period (in years) 9 months 18 days
Vested and Exercisable at the end of the period (in years) 9 months 18 days
[1] Based upon the difference between the market price of our common stock on the last trading date of the period ($4.86 as of March 31, 2016) and the Stock Option exercise price of in-the-money Stock Options.