Annual report pursuant to Section 13 and 15(d)

Note 8 - Shareholders' Equity (Details Textual)

v3.5.0.2
Note 8 - Shareholders' Equity (Details Textual) - $ / shares
Jun. 30, 2016
Jun. 30, 2015
Apr. 13, 2015
Nov. 21, 2002
Common Class A [Member]        
Common Stock, Shares Authorized 150,000,000 150,000,000    
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01    
Common Stock, Shares, Issued 48,921,544 48,884,586    
Common Class B [Member]        
Common Stock, Shares Authorized 600,000 600,000    
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01    
Common Stock, Shares, Outstanding 0 0    
Common Stock, Shares, Issued 0 0    
Series A Preferred Stock [Member]        
Preferred Stock, Shares Authorized 30,000      
Series B Preferred Stock [Member]        
Preferred Stock, Shares Authorized 30,000      
Series C Preferred Stock [Member]        
Preferred Stock, Shares Authorized 155,010      
Preferred Stock, Shares Authorized 1,055,000      
Preferred Stock, Par or Stated Value Per Share $ 0.01      
Preferred Stock, Capital Shares Reserved for Future Issuance 839,990      
Preferred Stock, Shares Outstanding 0 0    
Preferred Stock, Shares Issued 0 0    
Stock Repurchase Program, Number of Shares Authorized to be Repurchased     3,000,000 2,000,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 1,800,000