Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) - Reconciliation of Basic and Diluted Loss per Share (USD $) In Thousands, except Per Share data, 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	Dec. 31, 2011
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) - Reconciliation of Basic and Diluted Loss per Share [Line Items]
Net loss (in Dollars)	$ (1,475)	$ (1,560)	$ 463	$ 1,204	$ (5,624)	$ (3,549)	$ (3,190)	$ 3,846	$ (1,368)	$ (8,517)	$ (6,198)
Weighted average common shares outstanding									19,199	18,982	18,811
Basic loss per share (in Dollars per share)									$ (0.07)	$ (0.45)	$ (0.33)
Weighted average common shares outstanding									19,199	18,982	18,811
Effect of dilutive securities
Weighted average common shares outstanding and potential dilutive shares									19,199	18,982	18,811
Diluted loss per share (in Dollars per share)									$ (0.07)	$ (0.45)	$ (0.33)
Equity Option [Member]
Effect of dilutive securities
Effect of dilutive securities									0	0	0
Restricted Stock [Member]
Effect of dilutive securities
Effect of dilutive securities									0	0	0

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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