Note 10 - Federal and State Income Taxes (Details) - Effective Income Tax Rate Reconciliation (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Effective Income Tax Rate Reconciliation [Abstract]
Income tax (benefit) expense at statutory federal rate									$ (4,453)	$ (9,268)
Federal income tax effects of:
State income tax expense									231	558
Per diem and other nondeductible meals and entertainment									875	748
Other									40	19
Federal income tax benefit									(3,307)	(7,943)
State income tax benefit									(681)	(1,646)
Total income tax benefit	$ (2,446)	$ 42	$ (448)	$ (1,136)	$ (1,641)	$ (3,455)	$ (1,818)	$ (2,674)	$ (3,988)	$ (9,589)
Effective tax rate									30.40%	35.20%