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Note 14 - Summary of 2001 Plan Stock Option Activity (Details)
 12 Months Ended
Dec. 31, 2014
$ / shares
shares
Plan 2001 [Member]  
Shares Outstanding (in shares) 7,500
Weighted Average Exercise Price, Shares Outstanding (in dollars per share) | $ / shares $ 3.10
Shares Exercised (in shares) (4,000)
Weighted Average Exercise Price, Shares Exercised (in dollars per share) | $ / shares $ 3.10
Shares Expired/Forfeited (in shares) (3,500)
Weighted Average Exercise Price, Shares Expired/Forfeited (in dollars per share) | $ / shares $ 3.10
Shares Outstanding (in shares) 0
Weighted Average Exercise Price, Shares Outstanding (in dollars per share) | $ / shares $ 0
Shares Outstanding (in shares) 0
Shares Outstanding (in shares) 0