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Earnings per Share (Basic and Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Numerator:
Net income	$ 357	$ 225
Denominator for basic net income per common share:
Weighted average common shares outstanding (in shares)	13,064,000	12,920,000
Denominator for diluted net income per share:
Dilutive effect of stock options and restricted stock (in shares)	204,000	249,000
Diluted weighted average shares (in shares)	13,268,000	13,169,000
Earnings per common share:
Basic (in USD per share)	$ 0.03	$ 0.02
Diluted (in USD per share)	$ 0.03	$ 0.02
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of shares not included in the computation of dilutive income per share (in shares)	174,834	83,917
Antidilutive Effect
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Exercise price of shares not included in the computation of dilutive income per share, lower limit (in USD per share)	$ 18.75	$ 28.15
Exercise price of shares not included in the computation of dilutive income per share, upper limit (in USD per share)	$ 33.36	$ 33.36

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