Note 10 - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Federal income tax at statutory rate	35.00%	35.00%	35.00%
Federal income tax provision at statutory rate	$ 4,349	$ 2,875	$ 40,428
State income tax provision, net of federal income tax effects	$ 475	$ 339	408
Cancellation of debt (non-taxable)			(37,681)
Restructuring expense			1,974
Valuation allowance			1,288
Other	$ 120	$ (29)	(50)
Provision for income taxes	$ 4,944	$ 3,185	$ 6,367
Effective Income Tax Rate Reconciliation, Percent	39.80%	38.80%	5.50%