Note 11 - Federal and State Income Taxes (Detail) - Effective Income Tax Rate Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income tax (benefit) expense at statutory federal rate	$ (9,268)	$ (5,352)
Federal income tax effects of:
State income tax expense	558	290
Per diem and other nondeductible meals and entertainment	748	900
Other	19	49
Federal income tax (benefit) expense	(7,943)	(4,113)
State income tax (benefit) expense	(1,646)	(852)
Total income tax (benefit) expense	$ (9,589)	$ (4,965)
Effective tax rate	35.20%	31.50%