Note 9 - Long-term Debt (Details Textual) - Bank of America [Member] - USD ($) $ in Millions |
Oct. 07, 2015 |
Oct. 22, 2014 |
---|---|---|
London Interbank Offered Rate (LIBOR) [Member] | ||
Debt Instrument, Basis Spread on Variable Rate | 1.40% | |
Debt Instrument, Basis Spread on Base Rate | 1.00% | |
Base Rate [Member] | ||
Debt Instrument, Basis Spread on Variable Rate | 0.40% | |
Federal Funds Effective Swap Rate [Member] | ||
Debt Instrument, Basis Spread on Base Rate | 0.50% | |
Line of Credit Facility, Maximum Borrowing Capacity | $ 175 | $ 75 |