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Note 11 - Income Taxes - Consolidated Provisions for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Federal
Current									$ 30	$ 10
Deferred									103	835
Total									133	845
State
Current									19	15
Deferred									17	91
Total									36	106
Total	$ (237)	$ 162	$ 144	$ 100	$ 81	$ 207	$ 312	$ 351	$ 169	$ 951

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Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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