Note 11 - Business Segment Information (Tables)

9 Months Ended

Sep. 30, 2015

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 September 30, 2015
Total revenue	$	14,039,050	$	10,390,806	$	4,095,882	$	2,314,406	$	7,936,414		$	(7,986,520	)	$	30,790,038
Net interest income	$	10,728,143	$	6,956,027	$	2,771,214	$	-	$	(317,858	)	$	-		$	20,137,526
Net income	$	3,786,289	$	2,893,397	$	847,709	$	373,801	$	6,488,988		$	(7,901,197	)	$	6,488,987
Total assets	$	1,328,053,105	$	867,064,041	$	360,348,002	$	-	$	277,001,408		$	(256,611,839	)	$	2,575,854,717
Provision	$	910,263	$	550,000	$	175,000	$	-	$	-		$	-		$	1,635,263
Goodwill	$	3,222,688	$	-	$	-	$	-	$	-		$	-		$	3,222,688
Core deposit intangible	$	-	$	1,521,287	$	-	$	-	$	-		$	-		$	1,521,287
Three Months Ended September 30, 2014
Total revenue	$	12,467,712	$	8,853,958	$	3,595,245	$	2,082,609	$	5,526,296		$	(5,567,505	)	$	26,958,315
Net interest income	$	9,234,089	$	6,179,763	$	2,584,613	$	-	$	(523,134	)	$	-		$	17,475,331
Net income	$	2,602,238	$	1,861,236	$	669,814	$	358,997	$	4,062,665		$	(5,492,285	)	$	4,062,665
Total assets	$	1,274,033,270	$	822,348,680	$	346,791,265	$	-	$	212,236,225		$	(204,813,887	)	$	2,450,595,553
Provision	$	609,657	$	331,666	$	122,000	$	-	$	-		$	-		$	1,063,323
Goodwill	$	3,222,688	$	-	$	-	$	-	$	-		$	-		$	3,222,688
Core deposit intangible	$	-	$	1,720,799	$	-	$	-	$	-		$	-		$	1,720,799
Nine Months Ended September 30, 2015
Total revenue	$	39,824,626	$	28,662,969	$	11,536,814	$	6,927,453	$	14,489,717		$	(14,721,751	)	$	86,719,828
Net interest income	$	29,745,080	$	19,836,835	$	8,089,626	$	-	$	(1,260,962	)	$	-		$	56,410,579
Net income	$	6,578,479	$	4,645,136	$	1,895,933	$	1,271,661	$	10,143,059		$	(14,391,210	)	$	10,143,058
Total assets	$	1,328,053,105	$	867,064,041	$	360,348,002	$	-	$	277,001,408		$	(256,611,839	)	$	2,575,854,717
Provision	$	3,466,384	$	1,650,000	$	578,000	$	-	$	-		$	-		$	5,694,384
Goodwill	$	3,222,688	$	-	$	-	$	-	$	-		$	-		$	3,222,688
Core deposit intangible	$	-	$	1,521,287	$	-	$	-	$	-		$	-		$	1,521,287
Nine Months Ended September 30, 2014
Total revenue	$	36,368,665	$	25,972,122	$	10,779,962	$	6,387,215	$	16,016,503		$	(16,245,340	)	$	79,279,127
Net interest income	$	27,235,902	$	17,820,878	$	7,637,029	$	-	$	(1,403,894	)	$	-		$	51,289,915
Net income	$	7,397,943	$	5,577,993	$	1,755,117	$	1,205,204	$	11,959,716		$	(15,936,257	)	$	11,959,716
Total assets	$	1,274,033,270	$	822,348,680	$	346,791,265	$	-	$	212,236,225		$	(204,813,887	)	$	2,450,595,553
Provision	$	1,779,698	$	881,666	$	498,000	$	-	$	-		$	-		$	3,159,364
Goodwill	$	3,222,688	$	-	$	-	$	-	$	-		$	-		$	3,222,688
Core deposit intangible	$	-	$	1,720,799	$	-	$	-	$	-		$	-		$	1,720,799