Note 12 - Stock Plans (Details) - Restricted Stock Award Forfeitures (2008 Restricted Stock Award [Member], USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Vested on April 1, 2011 [Member]
Note 12 - Stock Plans (Details) - Restricted Stock Award Forfeitures [Line Items]
Date Deemed Forfeited and Recorded as Treasury Stock	Sep. 30, 2010
Shares Forfeited	9,000
Expense Recovered	$ 70
Date Shares Returned to Plan	Apr. 01, 2011
Vested on April 1, 2012 [Member]
Note 12 - Stock Plans (Details) - Restricted Stock Award Forfeitures [Line Items]
Date Deemed Forfeited and Recorded as Treasury Stock	Sep. 30, 2011
Shares Forfeited	8,000	[1]
Expense Recovered	66
Date Shares Returned to Plan	Apr. 01, 2012
Vested on April 1, 2013 [Member]
Note 12 - Stock Plans (Details) - Restricted Stock Award Forfeitures [Line Items]
Date Deemed Forfeited and Recorded as Treasury Stock	Sep. 30, 2011
Shares Forfeited	15,000	[1],[2]
Expense Recovered	101
Date Shares Returned to Plan	Apr. 01, 2013
To Vest on April 1, 2014 [Member]
Note 12 - Stock Plans (Details) - Restricted Stock Award Forfeitures [Line Items]
Date Deemed Forfeited and Recorded as Treasury Stock	Feb. 28, 2013
Shares Forfeited	9,000	[3]
Expense Recovered	78
Date Shares Returned to Plan	Apr. 01, 2014
To Vest on April 1, 2015 [Member]
Note 12 - Stock Plans (Details) - Restricted Stock Award Forfeitures [Line Items]
Date Deemed Forfeited and Recorded as Treasury Stock	Feb. 28, 2013
Shares Forfeited	9,000	[3]
Expense Recovered	65
Date Shares Returned to Plan	Apr. 01, 2015
To Vest on April 1, 2016 [Member]
Note 12 - Stock Plans (Details) - Restricted Stock Award Forfeitures [Line Items]
Date Deemed Forfeited and Recorded as Treasury Stock	Feb. 28, 2013
Shares Forfeited	9,000	[3]
Expense Recovered	56
Date Shares Returned to Plan	Apr. 01, 2016
To Vest on April 1, 2017 [Member]
Note 12 - Stock Plans (Details) - Restricted Stock Award Forfeitures [Line Items]
Date Deemed Forfeited and Recorded as Treasury Stock	Dec. 31, 2013
Shares Forfeited	7,000
Expense Recovered	$ 44
Date Shares Returned to Plan	Apr. 01, 2017

[1] In October 2011, in connection with the termination of employment of a recipient, the forfeiture relating to approximately 2,000 shares scheduled to vest on April 1, 2012 and 2,000 shares scheduled to vest on April 1, 2013, included herein, became effective. Accordingly, these shares were removed from Treasury Stock at December 31, 2011. In addition, in connection with the termination of a recipient's employment, the forfeiture relating to approximately 2,000 shares scheduled to vest on April 1, 2012 and 2,000 shares scheduled to vest on April 1, 2013, included herein, became effective in January 2012. Accordingly, these shares were removed from Treasury Stock at January 31, 2012.

[2] In December 2012, in connection with the termination of employment of a recipient, the forfeiture relating to approximately 2,000 shares scheduled to vest on April 1, 2013, included herein, became effective. Accordingly, these shares were removed from Treasury Stock at December 31, 2012.

[3] In December 2013, in connection with the termination of employment of a recipient, the forfeiture relating to approximately 6,291 shares scheduled to vest on April 1, 2014, 2015 and 2016, included herein, became effective. Accordingly, these shares were removed from Treasury Stock at December 31, 2013.