Investment securities available for sale (Tables)

12 Months Ended

Dec. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities [Table Text Block]

The amortized cost and estimated fair value of investment securities available for sale as of December 31, 2016 and 2015 are as follows (in thousands):

			Gross		Gross
	Amortized		Unrealized		Unrealized		Estimated
	Cost		Gains		Losses		Fair Value
December 31, 2016
U.S. Government agencies	$	32,475	$	-	$	(229)	$	32,246
Mortgage-backed securities		11,694		1		(47)		11,648
	$	44,169	$	1	$	(276)	$	43,894
December 31, 2015
U.S. Government agencies	$	34,286	$	-	$	(573)	$	33,713
Mortgage-backed securities		3,043		1		(43)		3,001
Municipals		1,255		-		(50)		1,205
	$	38,584	$	1	$	(666)	$	37,919

Available For Sale Securities Realized Gross Gains And Losses [Table Text Block]

Gross realized gains and losses pertaining to available for sale securities are detailed as follows for the years ending December 31, 2016, 2015 and 2014 (in thousands):

	2016		2015		2014
Gross realized gains	$	162	$	13	$	218
Gross realized losses		-		(7)		(428)
	$	162	$	6	$	(210)

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

Investment securities available for sale that have an unrealized loss position at December 31, 2016 and December 31, 2015 are detailed below (in thousands):

	Securities in a loss				Securities in a loss
	position for less than				position for more than
	12 Months				12 Months				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
December 31, 2016
US Government Agencies	$	27,291	$	(213)	$	2,852	$	(16)	$	30,143	$	(229)
Mortgage-backed securities		9,450		(47)		-		-		9,450		(47)
	$	36,741	$	(260)	$	2,852	$	(16)	$	39,593	$	(276)
December 31, 2015
US Government Agencies	$	18,598	$	(329)	$	15,115	$	(244)	$	33,713	$	(573)
Municipals		707		(14)		497		(36)		1,204		(50)
Mortgage-backed securities		2,899		(43)		-		-		2,899		(43)
	$	22,204	$	(386)	$	15,612	$	(280)	$	37,816	$	(666)

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and estimated fair value of investment securities available for sale as of December 31, 2016, by contractual maturity, are as follows (in thousands):

	Amortized		Estimated
	Cost		Fair Value
One to five years	$	33,131	$	32,885
More than ten years		11,038		11,009
Total	$	44,169	$	43,894