XML 93 R59.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stockholders' Equity - Narrative (Details) - USD ($)
 1 Months Ended 12 Months Ended
Nov. 30, 2016
Sep. 30, 2016
Jun. 30, 2015
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
May 12, 2015
Class of Stock [Line Items]              
Common stock, outstanding shares       33,080,543 33,087,308    
Dividends paid       $ 11,594,541 $ 8,432,435 $ 6,565,823  
Total cost of treasury shares acquired       571,083 537,014 1,263,402  
Aggregate redemption cost         7,932,975    
Cash dividends to preferred stockholders       $ 0 $ 250,990 $ 674,302  
Series A Cumulative Preferred Stock              
Class of Stock [Line Items]              
Issuance of preferred stock (in shares)   317,319          
Preferred stock dividend rate (as a percent)       8.50%      
Preferred stock, liquidation preference (in dollars per share) $ 25.00            
Common Stock              
Class of Stock [Line Items]              
Purchases of treasury stock (shares)       73,208 83,675 218,682  
Preferred              
Class of Stock [Line Items]              
Aggregate redemption cost         $ 317    
Preferred | Series A Cumulative Preferred Stock              
Class of Stock [Line Items]              
Aggregate redemption cost $ 7,932,975            
Deemed dividend   $ 1,002,440          
Cash dividends to preferred stockholders         $ 250,990 $ 674,302  
2015 Share Repurchase Program | Common Stock              
Class of Stock [Line Items]              
Amount authorized to be repurchased             $ 5,000,000
Purchases of treasury stock (shares)     265,762 73,208 83,675 218,682  
Treasury stock acquired, average cost (in USD per share)     $ 6.05 $ 7.80 $ 6.42 $ 5.78  
Total cost of treasury shares acquired     $ 1,609,008 $ 571,083 $ 537,014 $ 1,263,402