10. Share-Based Employee Compensation (Details 2) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Number of Options Outstanding	291,936	414,778
Weighted Average Exercise Price, outstanding	$ 4.07
Weighted Average Remaining Contractual Life (in Years)	3 years 4 months 6 days
Stock Options Exercisable	276,936
Weighted Average Exercise Price, exercisable	$ 4.00
Option 1
Exercise Price, minimum	1.50
Exercise Price, maximum	$ 1.89
Number of Options Outstanding	64,000
Weighted Average Exercise Price, outstanding	$ 1.70
Weighted Average Remaining Contractual Life (in Years)	2 years 5 months 1 day
Stock Options Exercisable	64,000
Weighted Average Exercise Price, exercisable	$ 1.70
Option 2
Exercise Price, minimum	2.00
Exercise Price, maximum	$ 2.23
Number of Options Outstanding	50,000
Weighted Average Exercise Price, outstanding	$ 2.14
Weighted Average Remaining Contractual Life (in Years)	4 years 8 months 5 days
Stock Options Exercisable	50,000
Weighted Average Exercise Price, exercisable	$ 2.14
Option 3
Exercise Price, minimum	3.44
Exercise Price, maximum	$ 11.40
Number of Options Outstanding	177,936
Weighted Average Exercise Price, outstanding	$ 5.46
Weighted Average Remaining Contractual Life (in Years)	3 years 3 months 22 days
Stock Options Exercisable	162,936
Weighted Average Exercise Price, exercisable	$ 5.47