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Stock-Based Incentive Plan - Narrative (Details) - USD ($)
3 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Restricted Stock and Contingent Restricted Stock    
Stock-Based Incentive Plan    
Stock-based compensation expense $ 221,947 $ 243,337
Performance-based Awards    
Stock-Based Incentive Plan    
Dividends paid on unvested and not probable awards $ 3,832  
2004 Stock Plan    
Stock-Based Incentive Plan    
Number of shares of common stock authorized for issuance under plan 6,500,000  
Number of shares remaining available for grant under plan 542,529