Note 12 - Regulatory Capital Matters (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure Text Block [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

											To Be Well
											Capitalized Under
						For Capital					Prompt Corrective
	Actual					Adequacy Purposes					Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
As of September 30, 2015
Total Capital to Risk-Weighted Assets
Consolidated	$	135,304		17.01	%	$	63,628		8.00	%		N/A		N/A
Colony Bank		130,450		16.43			63,536		8.00		$	79,421		10.00	%
Tier I Capital to Risk-Weighted Assets
Consolidated		126,904		15.96			47,721		6.00			N/A		N/A
Colony Bank		122,048		15.37			47,652		6.00			63,536		8.00
Common Equity Tier I Capital to Risk-Weighted Assets
Consolidated		80,237		10.09			35,791		4.50			N/A		N/A
Colony Bank		122,048		15.37			35,739		4.50			51,623		6.50
Tier I Capital to Average Assets
Consolidated		126,904		11.14			45,571		4.00			N/A		N/A
Colony Bank		122,048		10.73			45,496		4.00			56,870		5.00

	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
As of December 31, 2014
Total Capital to Risk-Weighted Assets
Consolidated	$	136,022		17.95	%	$	60,639		8.00	%		N/A		N/A
Colony Bank		127,833		16.89			60,542		8.00		$	75,678		10.00	%
Tier 1 Capital to Risk-Weighted Assets
Consolidated		127,220		16.78			30,320		4.00			N/A		N/A
Colony Bank		119,031		15.73			30,271		4.00			45,407		6.00
Tier 1 Capital to Average Assets
Consolidated		127,220		11.18			45,509		4.00			N/A		N/A
Colony Bank		119,031		10.50			45,364		4.00			56,705		5.00