Note 6 - Common and Preferred Stock and Earnings (Loss) per Share (Details) - Calculation of Earnings (Loss) Per Common Share (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Note 6 - Common and Preferred Stock and Earnings (Loss) per Share (Details) - Calculation of Earnings (Loss) Per Common Share [Line Items]
Net income (loss)	$ 589	$ 522	$ 1,524	$ (309)
Less earnings and dividends applicable to preferred stock:
Net income (loss) attributable to common stock	562	348	1,437	(658)
Average common shares outstanding (in Shares)	8,340,066	7,766,055	8,247,055	7,760,561
Dilutive effect of outstanding stock-based awards and other potential common shares (in Shares)	17,409		26,976
Average common shares used for diluted EPS (in Shares)	8,357,475	7,766,055	8,274,031	7,760,561
Basic earnings (loss) per common share (in Dollars per share)	$ 0.07	$ 0.04	$ 0.17	$ (0.08)
Diluted earnings (loss) per common share (in Dollars per share)	$ 0.07	$ 0.04	$ 0.17	$ (0.08)
Convertible Preferred (Series A & C) [Member]
Less earnings and dividends applicable to preferred stock:
Net Income (Loss)	7		17
Non-Convertible Subsidiary Issued-Preferred [Member]
Less earnings and dividends applicable to preferred stock:
Net Income (Loss)	20	174	70	349
Preferred Stock [Member]
Less earnings and dividends applicable to preferred stock:
Net Income (Loss)	$ 27	$ 174	$ 87	$ 349