Note 11 - Employee Benefits (Details) - Nonvested Option Awards Activity (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Service-based options:
Granted	174,625
Granted (in Dollars per share)	$ 5.46	$ 4.81	$ 5.69
Forfeited	(33,150)
Service-Based Options [Member]
Service-based options:
Shares - Nonvested	331,450	297,330
Weighted Average Grant Date Fair Value - Nonvested (in Dollars per share)	$ 5.30	$ 5.21
Weighted Average Remaining Contractual Life (in Years) - Nonvested	5 years 6 months	5 years 73 days
Granted	174,625
Granted (in Dollars per share)	$ 5.46
Granted	7 years
Vested	(120,405)
Vested (in Dollars per share)	$ 5.28
Vested	4 years 6 months
Forfeited	(20,100)
Forfeited (in Dollars per share)	$ 5.46
Forfeited	4 years