Note 3 - Investment Securities (Details)
|
1 Months Ended |
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2014
USD ($)
shares
|
Dec. 31, 2013
shares
|
Jun. 30, 2015
USD ($)
|
Jun. 30, 2014
USD ($)
|
Jun. 30, 2015
USD ($)
|
Jun. 30, 2014
USD ($)
|
| Note 3 - Investment Securities (Details) [Line Items] |
|
|
|
|
|
|
| Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions |
|
|
67
|
|
67
|
|
| Available-for-sale, Securities in Unrealized Loss Positions, Depreciation from Amortized Cost, Percentage |
|
|
1.10%
|
|
1.10%
|
|
| Proceeds from Sale and Maturity of Marketable Securities |
|
|
$ 0
|
|
$ 0
|
|
| Equity Method Investment Number Of Common Shares Acquired (in Shares) | shares |
31,750
|
100,000
|
|
|
|
|
| Percentage Of Outstanding Shares Of Voting Common Stock |
9.00%
|
|
|
9.00%
|
|
9.00%
|
| Other Assets [Member] |
|
|
|
|
|
|
| Note 3 - Investment Securities (Details) [Line Items] |
|
|
|
|
|
|
| Cost Method Investments |
$ 711,000
|
|
|
$ 711,000
|
|
$ 711,000
|
| Municipal Notes [Member] |
|
|
|
|
|
|
| Note 3 - Investment Securities (Details) [Line Items] |
|
|
|
|
|
|
| Available-for-sale Securities, Gross Realized Gains |
|
|
|
$ 54,000
|
|
$ 54,000
|