Note 6 - Common and Preferred Stock and Earnings (Loss) per Share (Detail) - Calculation of Earnings (Loss) Per Common Share (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income (loss)	$ 935	$ (831)
Less earnings and dividends applicable to preferred stock:
Net income (loss) attributable to common stock	875	(1,006)
Average common shares outstanding (in Shares)	8,155,066	7,755,066
Average common shares used for diluted EPS (in Shares)	8,155,066	7,755,066
Basic earnings (loss) per common share (in Dollars per share)	$ 0.11	$ (0.13)
Diluted earnings (loss) per common share (in Dollars per share)	$ 0.11	$ (0.13)
Convertible Preferred (Series A & C) [Member]
Less earnings and dividends applicable to preferred stock:
Net Income (Loss)	11
Non-Convertible Subsidiary Issued-Preferred [Member]
Less earnings and dividends applicable to preferred stock:
Net Income (Loss)	49	175
Preferred Stock [Member]
Less earnings and dividends applicable to preferred stock:
Net Income (Loss)	$ 60	$ 175