Note 3 - Long-Term Debt (Details) - Long-Term Debt (USD $)	Jun. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Long Term Debt	$ 37,025,000	$ 26,250,000
Less payments due within one year included in current liabilities	2,250,000	1,750,000
Long-term debt less current maturities	34,775,000	24,500,000
Maturing July 1, 2016 [Member] | Note Payable [Member]
Debt Instrument [Line Items]
Note payable to Fifth Third Bank, pursuant to revolving credit agreement	10,000,000
Maturing July 1, 2018 [Member] | Note Payable [Member]
Debt Instrument [Line Items]
Note payable to Fifth Third Bank, pursuant to revolving credit agreement	1,400,000
Term Loan [Member]
Debt Instrument [Line Items]
Long Term Debt	$ 25,625,000	$ 26,250,000