Quarterly report pursuant to Section 13 or 15(d)

Stock Repurchase Program (Narrative) (Details)

v3.5.0.2
Stock Repurchase Program (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended 113 Months Ended
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Sep. 30, 2015
Jan. 17, 2007
Equity, Class of Treasury Stock [Line Items]            
Number of shares authorized to be repurchased   3,000,000   3,000,000   1,000,000
Stock repurchased during period, shares   0 0 2,183,704    
Total cost of treasury stock   $ 7,806,605   $ 7,806,605 $ 7,806,605  
Average Price Paid Per Share       $ 3.57    
Maximum repurchases allowed under provision through calendar year   450,000        
Maximum repurchases allowed under provision annually per individual   50,000        
Maximum number of shares that may yet be purchased under the program   816,296   816,296    
Private Repurchase Transactions [Member]            
Equity, Class of Treasury Stock [Line Items]            
Stock repurchased during period, shares 0   250      
Open Market Repurchase Transactions [Member]            
Equity, Class of Treasury Stock [Line Items]            
Stock repurchased during period, shares 0   0