Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				12 Months Ended	0 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Dec. 31, 2014	Apr. 01, 2015	Oct. 01, 2014	Dec. 31, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income available to common shareholders	$ 2,207		$ 2,065
Plus: Income impact of assumed conversions: Interest on 10% convertible debentures, net of income tax	16		145
Income available to common stockholders plus assumed conversions	2,223		2,210
Weighted average number of common shares outstanding-basic	9,141,244		7,775,895
Dilutive effect of stock options	49,293	[1]	43,582	[1]
Dilutive effect of restricted stock units	38,822		47,819
Dilutive effect of convertible promissory notes	215,000	[2],[3]	1,840,000	[2],[3]
Dilutive potential common shares	303,115		1,931,401
Adjusted weighted-average shares	9,444,359		9,707,296
Basic Earnings Per Share	$ 0.24		$ 0.27
Diluted Earnings Per Share	$ 0.24		$ 0.23
Convertible promissory notes	$ 1,075		$ 9,200		$ 1,650			$ 9,500
Conversion ratio of principal to shares	0.2
Conversion price per share	$ 5.00
Percentage of original principal amount convertible prior to conversion date, maximum	100.00%
Conversion date of convertible notes	Oct. 01, 2014
Percentage of original principal amount	0.5
Common shares from conversion of debentures					1,200,000
Subsequent Event [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares from conversion of debentures						215,000
Voluntary Conversion [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares from conversion of debentures							300,000
Mandatory Conversion [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares from conversion of debentures	100,000
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computation of earnings per share	115,339		64,130
Restricted Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computation of earnings per share	25,342		15,040

[1] For the quarters ended March 31, 2015 and 2014, respectively, there were 115,339 and 64,130 outstanding stock options that were not included in the computation of diluted earnings per share because they were considered anti-dilutive.

[2] At March 31, 2015 and 2014, the Company had $1.1 million and $9.2 million, respectively, of outstanding Convertible Promissory Notes (the “Convertible Notes”). The Convertible Notes are convertible into shares of common stock of the Company at a conversion ratio of one share of common stock for each $5.00 in aggregate principal amount held on the record date of the conversion subject to certain adjustments as described in the Convertible Notes (the “Conversion Ratio”). Prior to the quarterly interest date preceding the fifth anniversary of issuance of the Convertible Notes each holder of the Convertible Notes may convert up to 100% (at the discretion of the holder) of the original principal amount into shares of common stock at the Conversion Ratio. On October 1, 2014, one-half of the original principal amounts of the Convertible Notes were mandatorily convertible at the Conversion Ratio if voluntary conversion had not yet occurred. The principal amount of any Convertible Note that had not been converted will be payable at maturity on June 30, 2017. At March 31, 2015 and 2014, respectively, 215,000 and 1,840,000 of common shares issuable upon conversion of remaining outstanding Convertible Notes are included in the computation of diluted earnings per share since the average market price per share for the three months ended March 31, 2015 and 2014 exceeded the conversion price of $5.00 per share.

[3] On April 1, 2015, all of the outstanding debentures were converted to 215,000 shares of common stock under the provisions for voluntary conversion.