Note 2 - Long-Term Debt (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Term Loan [Member]
Term loan payable to Fifth Third Bank, maturing July 1, 2018	$ 23,437,000	$ 24,375,000
Note Payable Maturing July 1, 2016 [Member]
Term loan payable to Fifth Third Bank, maturing July 1, 2018		440,000
Note Payable Maturing July 1, 2018 [Member]
Term loan payable to Fifth Third Bank, maturing July 1, 2018		220,000
Term loan payable to Fifth Third Bank, maturing July 1, 2018	$ 23,437,000	25,035,000
Less payments due within one year included in current liabilities	2,937,000	2,375,000
Long-term debt less current maturities	$ 20,500,000	$ 22,660,000