Stock-Based Compensation - Schedule of Stock Option Outstanding (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Options Outstanding, Number	309,000	351,000	449,000
Options Outstanding, Weighted Average Exercise Price	$ 3.31	$ 3.36	$ 3.56
Range One [Member]
Options Outstanding, Range of exercise price, lower limit	$ 0.01
Options Outstanding, Range of exercise price, upper limit	$ 1.00
Options Outstanding, Number	50,000
Options Outstanding, Weighted Average Remaining Contractual Life in Years	8 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price	$ 0.55
Range Two [Member]
Options Outstanding, Range of exercise price, lower limit	$ 1.01
Options Outstanding, Range of exercise price, upper limit	$ 2.00
Options Outstanding, Number	50,000
Options Outstanding, Weighted Average Remaining Contractual Life in Years	4 years 2 months 23 days
Options Outstanding, Weighted Average Exercise Price	$ 1.53
Range Three [Member]
Options Outstanding, Range of exercise price, lower limit	$ 2.01
Options Outstanding, Range of exercise price, upper limit	$ 3.00
Options Outstanding, Number	67,000
Options Outstanding, Weighted Average Remaining Contractual Life in Years	3 years 7 months 21 days
Options Outstanding, Weighted Average Exercise Price	$ 2.18
Range Four [Member]
Options Outstanding, Range of exercise price, lower limit	$ 3.01
Options Outstanding, Range of exercise price, upper limit	$ 5.00
Options Outstanding, Number	66,000
Options Outstanding, Weighted Average Remaining Contractual Life in Years	3 years 7 months 21 days
Options Outstanding, Weighted Average Exercise Price	$ 3.06
Range Five [Member]
Options Outstanding, Range of exercise price, lower limit	$ 5.01
Options Outstanding, Range of exercise price, upper limit	$ 7.50
Options Outstanding, Number	76,000
Options Outstanding, Weighted Average Remaining Contractual Life in Years	1 year
Options Outstanding, Weighted Average Exercise Price	$ 7.50