Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balances (in shares) at Dec. 31, 2017	2,043
Balances at Dec. 31, 2017	$ 19,480		$ (13,584)	$ 5,896
Net income			590	590
Exercised, shares (in shares)	5
Exercise of stock options	$ 34			34
Balances (in shares) at Mar. 31, 2018	2,048
Balances at Mar. 31, 2018	$ 19,514		(12,994)	6,520
Balances (in shares) at Dec. 31, 2017	2,043
Balances at Dec. 31, 2017	$ 19,480		(13,584)	5,896
Stock repurchase (in shares)	5
Stock repurchase	$ 39			39
Net income			1,064	1,064
Balances (in shares) at Jun. 30, 2018	2,048
Balances at Jun. 30, 2018	$ 19,519		(12,520)	6,999
Balances (in shares) at Mar. 31, 2018	2,048
Balances at Mar. 31, 2018	$ 19,514		(12,994)	6,520
Net income			474	474
Exercised, shares (in shares)
Exercise of stock options	$ 5			5
Balances (in shares) at Jun. 30, 2018	2,048
Balances at Jun. 30, 2018	$ 19,519		(12,520)	6,999
Balances (in shares) at Dec. 31, 2018	2,030
Balances at Dec. 31, 2018	$ 19,426		(12,098)	7,328
Stock repurchase (in shares)	(59)
Stock repurchase	$ (329)			(329)
Net income			141	$ 141
Exercised, shares (in shares)
Balances (in shares) at Mar. 31, 2019	1,971
Balances at Mar. 31, 2019	$ 19,097		(11,957)	$ 7,140
Balances (in shares) at Dec. 31, 2018	2,030
Balances at Dec. 31, 2018	$ 19,426		(12,098)	7,328
Stock repurchase (in shares)	(93)
Stock repurchase	$ (519)			(519)
Net income			130	130
Balances (in shares) at Jun. 30, 2019	1,937
Balances at Jun. 30, 2019	$ 18,907		(11,968)	6,939
Balances (in shares) at Mar. 31, 2019	1,971
Balances at Mar. 31, 2019	$ 19,097		(11,957)	7,140
Stock repurchase (in shares)	(34)
Stock repurchase	$ (190)			(190)
Net income			(11)	$ (11)
Exercised, shares (in shares)
Balances (in shares) at Jun. 30, 2019	1,937
Balances at Jun. 30, 2019	$ 18,907		$ (11,968)	$ 6,939