Stock Option Plans (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of option activity for employees and non-employees
Number of Options, Beginning Balance	1,283,741	1,139,282
Number of Options, Granted	309,090	211,459
Number of Options, Exercised	(56,666)
Number of Options, Forfeited or expired	(51,666)	(67,000)
Number of Options, Ending Balance	1,484,499	1,283,741	1,139,282
Number of Options, Exercisable, Ending Balance	1,115,006	849,066
Weighted Averaged Exercise Price, Beginning Balance	$ 0.79	$ 0.89
Weighted Averaged Exercise Price, Granted	$ 1.62	$ 0.95
Weighted Averaged Exercise Price, Exercised
Weighted Averaged Exercise Price, Forfeited or expired	$ 0.99	$ 1.58
Weighted Averaged Exercise Price, Ending Balance	$ 1.03	$ 0.79	$ 0.89
Weighted Averaged Exercise Price, Exercisable, Ending Balance	$ 0.97	$ 0.81
Weighted Average Remaining Contractual Life (Years), Outstanding	2 years 10 months 17 days	3 years 26 days	3 years 7 months 13 days
Weighted Average Remaining Contractual Life (Years), Granted	5 years	4 years 4 months 17 days
Weighted Average Remaining Contractual Life (Years), Exercisable	2 years 4 months 28 days	2 years 5 months 5 days
Aggregate Intrinsic Options Value, Ending Balance	$ 996,554
Aggregate Intrinsic Options Value, Exercisable, Ending Balance	818,531
Number of Options, Exercisable, Beginning Balance	849,066
Weighted Averaged Exercise Price, Exercisable, Beginning Balance	$ 0.81
Option Activity for Non-Employees
Summary of option activity for employees and non-employees
Number of Options, Beginning Balance	239,999	414,999
Number of Options, Granted		100,000
Number of Options, Ending Balance	173,332	239,999	414,999
Number of Options, Exercisable, Ending Balance	173,332	234,442	399,443
Weighted Averaged Exercise Price, Beginning Balance	$ 1.56	$ 1.87
Weighted Averaged Exercise Price, Ending Balance	$ 0.48	$ 1.56	$ 1.87
Weighted Averaged Exercise Price, Exercisable, Ending Balance	$ 0.48	$ 1.57	$ 1.90
Weighted Average Remaining Contractual Life (Years), Outstanding	7 months 2 days	1 year 3 months 26 days	1 year 5 months 5 days
Weighted Average Remaining Contractual Life (Years), Exercisable	7 months 2 days		1 year 3 months 18 days
Aggregate Intrinsic Options Value, Ending Balance	210,833
Aggregate Intrinsic Options Value, Exercisable, Ending Balance	$ 210,833
Number of Options, Forfeited	(66,667)	(175,000)
Weighted Averaged Exercise Price, Forfeited	$ 2.50	$ 1.79
Number of Options, Exercisable, Beginning Balance	234,442	399,443
Weighted Averaged Exercise Price, Exercisable, Beginning Balance	$ 1.57	$ 1.90
Vested Options
Summary of option activity for employees and non-employees
Number of Options, Beginning Balance	849,066	638,176
Number of Options, Exercised	(56,666)
Number of Options, Ending Balance	1,115,006	849,066
Weighted Averaged Exercise Price, Beginning Balance	$ 0.81	$ 0.89
Weighted Averaged Exercise Price, Exercised
Weighted Averaged Exercise Price, Ending Balance	$ 0.97	$ 0.81
Number of Options, Vested	367,272	277,222
Number of Options, Forfeited	(46,666)	(66,332)
Weighted Average Exercise Price, Vested	$ 1.19	$ 0.92
Weighted Averaged Exercise Price, Forfeited	$ 0.96	$ 1.58
Vested Options | Option Activity for Non-Employees
Summary of option activity for employees and non-employees
Number of Options, Beginning Balance	234,442	399,443
Number of Options, Exercised
Number of Options, Ending Balance	173,332	234,442
Weighted Averaged Exercise Price, Beginning Balance	$ 1.57	$ 1.90
Weighted Averaged Exercise Price, Exercised
Weighted Averaged Exercise Price, Ending Balance	$ 0.48	$ 1.57
Number of Options, Vested	5,557	9,999
Number of Options, Forfeited	6,667	175,000
Weighted Average Exercise Price, Vested	$ 1.27	$ 1.10
Weighted Averaged Exercise Price, Forfeited	$ 2.50	$ 1.79
Nonvested Options
Summary of option activity for employees and non-employees
Number of Options, Beginning Balance	434,675	501,106
Number of Options, Granted	309,090	211,459
Number of Options, Ending Balance	369,493	434,675
Weighted Averaged Exercise Price, Beginning Balance	$ 0.91	$ 0.90
Weighted Averaged Exercise Price, Granted	$ 1.62	$ 0.95
Weighted Averaged Exercise Price, Ending Balance	$ 1.22	$ 0.91
Number of Options, Vested	369,272	(277,222)
Number of Options, Forfeited	(5,000)	(668)
Weighted Average Exercise Price, Vested	$ 1.19	$ 0.92
Weighted Averaged Exercise Price, Forfeited	$ 1.00	$ 1.15
Nonvested Options | Option Activity for Non-Employees
Summary of option activity for employees and non-employees
Number of Options, Beginning Balance	5,557	15,556
Number of Options, Granted
Number of Options, Exercised
Number of Options, Ending Balance		5,557
Weighted Averaged Exercise Price, Beginning Balance	$ 1.27	$ 1.16
Weighted Averaged Exercise Price, Granted
Weighted Averaged Exercise Price, Exercised
Weighted Averaged Exercise Price, Ending Balance		$ 1.27
Number of Options, Vested	5,557	(9,999)
Number of Options, Forfeited
Weighted Average Exercise Price, Vested	$ 1.27	$ 1.10
Weighted Averaged Exercise Price, Forfeited