10. Share-Based Employee Compensation (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Number of Options Outstanding	414,778	482,611
Weighted Average Exercise Price, outstanding	$ 3.79
Weighted Average Remaining Contractual Life (in Years)	3 years 7 months 24 days
Stock Options Exercisable	361,443
Weighted Average Exercise Price, exercisable	$ 3.91
Option 1
Exercise Price, minimum	$ 1.50
Exercise Price, maximum	$ 1.89
Number of Options Outstanding	64,000
Weighted Average Exercise Price, outstanding	$ 1.7
Weighted Average Remaining Contractual Life (in Years)	3 years 5 months 1 day
Stock Options Exercisable	64,000
Weighted Average Exercise Price, exercisable	$ 1.7
Option 2
Exercise Price, minimum	$ 2.00
Exercise Price, maximum	$ 2.55
Number of Options Outstanding	103,334
Weighted Average Exercise Price, outstanding	$ 2.24
Weighted Average Remaining Contractual Life (in Years)	4 years 1 month 20 days
Stock Options Exercisable	84,999
Weighted Average Exercise Price, exercisable	$ 2.24
Option 3
Exercise Price, minimum	$ 3.14
Exercise Price, maximum	$ 11.40
Number of Options Outstanding	247,444
Weighted Average Exercise Price, outstanding	$ 4.99
Weighted Average Remaining Contractual Life (in Years)	4 years 6 months 4 days
Stock Options Exercisable	212,444
Weighted Average Exercise Price, exercisable	$ 5.25