Consolidated Statements of Changes in Shareholders' Equity (Parentheticals)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share of Common Stock for Exercise of Options	152,656	136,609	80,734
Common stock, shares issued	28,407	10,940
Common Stock shares issued	2,604,086
Preferred Stock [Member] | Series A Preferred Stock [Member]
Preferred Stock Shares Redeemed, Series A		23,235
Common Stock [Member]
Share of Common Stock for Exercise of Options	152,656	136,609	80,734
Common stock, shares issued	28,407	10,940
Common Stock shares issued	2,604,086
Series A Preferred Stock [Member]
Preferred Stock Shares Redeemed, Series A		23,235