XML 36 R25.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 3 - Investment Securities (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2016
Jun. 30, 2014
Dec. 31, 2013
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Other Assets [Member]              
Cost Method Investments   $ 711,000          
Cost-method Investments [Member]              
Proceeds from Sale, Maturity and Collection of Investments $ 856,000            
Available-for-sale Securities, Gross Realized Gain (Loss)       $ 0 $ 0 $ 176,000 $ 0
Available-for-Sale, Securities in Unrealized Loss Positions, Depreciation from Amortized Cost Percentage       0.40%   0.40%  
Cost-Method Investment, Number of Shares Acquired   31,750 100,000        
Percentage of Outstanding Shares of Voting Common Stock   9.00%          
Cost-method Investments, Realized Gains       $ 145,000