Note 9 - Regulatory Capital Ratios (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

										To Be Well Capitalized
	Actual					For Capital Adequacy Purposes				Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio		Amount		Ratio
June 30, 2018
Common Equity Tier 1 capital (to risk-weighted assets)	$	48,073		24.14	%	≥	$8,963	≥	4.50%	≥	$12,947	≥	6.50%
Tier 1 capital (to risk-weighted assets)		48,073		24.14	%	≥	11,951	≥	6.00	≥	15,934	≥	8.00
Total capital (to risk-weighted assets)		49,981		25.09	%	≥	15,934	≥	8.00	≥	19,918	≥	10.00
Tier 1 capital (to average assets)		48,073		18.59	%	≥	10,342	≥	4.00	≥	12,927	≥	5.00
December 31, 2017
Common Equity Tier 1 capital (to risk-weighted assets)	$	47,513		26.82	%	≥	$7,973	≥	4.50%	≥	$11,517	≥	6.50%
Tier 1 capital (to risk-weighted assets)		47,513		26.82	%	≥	10,631	≥	6.00	≥	14,174	≥	8.00
Total capital (to risk-weighted assets)		49,313		27.83	%	≥	14,174	≥	8.00	≥	17,718	≥	10.00
Tier 1 capital (to average assets)		47,513		17.20	%	≥	11,051	≥	4.00	≥	13,813	≥	5.00