Stock-Based Compensation (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of shares authorized under the plan (in shares)	500,000
Number of shares available under the plan (in shares)	293,100
Stock-based compensation expense	$ 201,000	$ 108,000
Shares [Roll Forward]
Options outstanding, Beginning period (in shares)	319,000	81,000
Options granted (in shares)	50,000	260,000
Options exercised (in shares)	(700)	0
Options forfeited (in shares)	(40,100)	(22,000)
Options outstanding, Ending period (in shares)	328,200	319,000
Options exercisable, Ending period (in shares)	129,695
Option price range lower range limit (in dollars per share)	$ 3.37
Option price range upper range limit (in dollars per share)	$ 5.31
Weighted Average Exercise Price [Roll Forward]
Options outstanding, Beginning period (in dollars per share)	$ 4.23	$ 4.23
Options granted (in dollars per share)	$ 4.67	$ 4.17
Options exercised (in dollars per share)	$ 3.37	$ 0
Options forfeited (in dollars per share)	$ 3.93	$ 3.61
Options outstanding, Ending period (in dollars per share)	$ 4.33	$ 4.23
Options exercisable, Ending period (in dollars per share)	$ 4.16
Weighted Average Remaining Life [Abstract]
Options outstanding, December 31, 2014	3 years 0 months 11 days
Options exercisable, December 31, 2014	1 year 9 months
Aggregate Intrinsic Value [Abstract]
Options outstanding, December 31, 2014	122,160
Options exercisable, December 31, 2014	60,033
Fair value assumptions for options granted [Abstract]
Expected life of options	5 years 6 months	5 years
Risk-free interest rate (in hundredths)	1.76%	1.09%
Expected volatility (in hundredths)	66.61%	79.14%
Expected dividend yield (in hundredths)	0.00%	0.00%
Weighted average fair value of options granted (in dollars per share)	$ 2.63	$ 2.58
Nonvested Options, Shares [Roll Forward]
Nonvested options outstanding, Beginning balance (in shares)	236,383
Nonvested options granted (in shares)	50,000
Nonvested options vested (in shares)	(47,778)
Nonvested options forfeited (in shares)	(40,100)
Nonvested options outstanding, Ending balance (in shares)	198,505	236,383
Nonvested Options, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested options outstanding (in dollars per share)	$ 4.29
Nonvested options granted (in dollars per share)	$ 4.67
Nonvested options vested (in dollars per share)	$ 4.35
Nonvested options forfeited (in dollars per share)	$ 3.93
Nonvested options outstanding (in dollars per share)	$ 4.44	$ 4.29
Unrecognized stock-based compensation expense	$ 616,000
Unrecognized stock-based compensation expected to be recognized period	58 months
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options expiry period	10 years
Stock options vesting period	5 years