Note 15 - Benefit Plans (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 15 - Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Contributions by Employer	$ 588,000	$ 539,000	$ 522,000
West Michigan [Member]
Note 15 - Benefit Plans (Details) [Line Items]
Deferred Compensation Plan Assets	1,600,000	1,900,000
Deferred Compensation Arrangement with Individual, Compensation Expense	0	131,000	110,000
Payments [Member]
Note 15 - Benefit Plans (Details) [Line Items]
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 263,000	$ 231,000	$ 171,000