Note 15 - Share-Based and Other Compensation Plans (Employee Stock Purchase Plan) (Details) (Employee Stock Purchase Plan [Member], Employee Stock Purchase Plan [Member], Equity Settled [Member])	6 Months Ended		12 Months Ended
	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2008
Employee Stock Purchase Plan [Member] | Employee Stock Purchase Plan [Member] | Equity Settled [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock authorized for issuance						2,000,000
Shares sold to employees under ESPP Plans			95,287	204,834	158,676
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date			15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected life (months)	6 months	6 months
Risk-free interest rate	0.41%	0.50%
Volatility	58.64%	79.91%
Dividend yield	0.04%	0.08%