Note 5 - Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Commercial Banking
	Quad City Bank & Trust		Cedar Rapids Bank & Trust		Rockford Bank & Trust		Wealth Management		All Other			Intercompany Eliminations			Consolidated Total
Three Months Ended March 31, 2014
Total revenue	$	11,938,133	$	8,303,625	$	3,482,876	$	2,149,334	$	5,223,865		$	(5,315,781	)	$	25,782,052
Net interest income	$	8,921,038	$	5,902,059	$	2,475,682	$	-	$	(449,538	)	$	-		$	16,849,241
Net income	$	2,341,283	$	1,934,770	$	471,039	$	459,294	$	3,889,215		$	(5,206,386	)	$	3,889,215
Total assets	$	1,269,106,354	$	819,179,681	$	346,365,023	$	-	$	203,666,846		$	(211,998,694	)	$	2,426,319,210
Provision for loan/lease losses	$	609,162	$	300,000	$	185,000	$	-	$	-		$	-		$	1,094,162
Goodwill	$	3,222,688	$	-	$	-	$	-	$	-		$	-		$	3,222,688
Core deposit intangible	$	-	$	1,820,555	$	-	$	-	$	-		$	-		$	1,820,555
Three Months Ended March 31, 2013
Total revenue	$	12,055,661	$	6,928,351	$	3,184,059	$	1,649,011	$	4,732,570		$	(4,808,141	)	$	23,741,511
Net interest income	$	8,391,538	$	3,844,882	$	2,305,077	$	-	$	(350,180	)	$	-		$	14,191,317
Net income	$	2,497,025	$	1,720,811	$	96,242	$	213,007	$	3,265,144		$	(4,527,085	)	$	3,265,144
Total assets	$	1,223,662,809	$	598,842,406	$	322,544,243	$	-	$	199,591,558		$	(200,650,364	)	$	2,143,990,652
Provision for loan/lease losses	$	357,782	$	300,000	$	400,000	$	-	$	-		$	-		$	1,057,782
Goodwill	$	3,222,688	$	-	$	-	$	-	$	-		$	-		$	3,222,688