Options and Equity Warrants (Option Activity) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Aggregate Intrinsic Value
Equity-based compensation	$ 376,000	$ 356,000	$ 377,000
Total Compensation Cost Not yet Recognized	177,000	232,000
Period for recognition	1 year
Employee Vested Options
Number of Options
Outstanding January 1	9,441,480	8,252,480	7,222,480
Granted	1,170,000	1,199,000	1,030,000
Forfeited	0	(10,000)	0
Outstanding December 31	10,611,480	9,441,480	8,252,480	7,222,480
Vested and expected to vest at December 31, 2013	10,086,480
Exercisable at December 31, 2013	10,086,480
Weighted Average Exercise Price
Outstanding January 1	$ 1.90	$ 2.11	$ 2.35
Granted	$ 0.36	$ 0.45	$ 0.41
Forfeited	$ 0.00	$ 1.30	$ 0.00
Outstanding December 31	$ 1.73	$ 1.90	$ 2.11	$ 2.35
Vested and expected to vest at December 31, 2013	$ 1.79
Exercisable at December 31, 2013	$ 1.79
Weighted Average Remaining Contracted Term (Years)
Outstanding January 1	4 years 10 months 30 days	5 years 4 months 6 days	5 years 8 months 29 days	6 years 2 months 15 days
Granted	9 years 5 months 25 days	9 years 6 months 4 days	9 years 6 months 4 days
Forfeited	0 years	5 years 6 months	0 years
Outstanding December 31	4 years 10 months 30 days	5 years 4 months 6 days	5 years 8 months 29 days	6 years 2 months 15 days
Vested and expected to vest at December 31, 2013	4 years 6 months 20 days
Exercisable at December 31, 2013	4 years 6 months 20 days
Aggregate Intrinsic Value
Outstanding January 1	0	0	0
Granted	0	0	0
Forfeited	0	0	0
Outstanding December 31	0	0	0	0
Vested and expected to vest at December 31, 2013	0
Exercisable at December 31, 2013	0
Options, Grants in Period, Fair Value	222,000	284,000	293,000
Weighted average grant date fair value per option (in usd per share)	$ 0.19	$ 0.24	$ 0.28
Employee Nonvested Options
Number of Options
Outstanding January 1	516,373	148,333	50,555
Granted	595,000	509,708	140,000
Vested	(586,373)	(131,668)	(42,222)
Forfeited	0	(10,000)	0
Outstanding December 31	525,000	516,373	148,333	50,555
Weighted Average Exercise Price
Outstanding January 1	$ 0.45	$ 0.49	$ 1.33
Granted	$ 0.24	$ 0.43	$ 0.33
Vested	$ 0.38	$ 0.36	$ 0.95
Forfeited	$ 0.00	$ 1.30	$ 0.00
Outstanding December 31	$ 0.29	$ 0.45	$ 0.49	$ 1.33
Weighted Average Remaining Contracted Term (Years)
Outstanding January 1	8 years 4 months 16 days	9 years 5 months 5 days	9 years 6 months 9 days	7 years 7 months 6 days
Granted	9 years 2 months 12 days	9 years 6 months 9 days	9 years 10 months 35 days
Vested	9 years 2 months 35 days	9 years 0 months 15 days	7 years 4 months 18 days
Forfeited	0 years	5 years 6 months	0 years
Outstanding December 31	8 years 4 months 16 days	9 years 5 months 5 days	9 years 6 months 9 days	7 years 7 months 6 days
Aggregate Intrinsic Value
Outstanding January 1	0	0	0
Granted	0	0	0
Vested	0	0	0
Forfeited	0	0	0
Outstanding December 31	0	0	0	0
Options, Grants in Period, Fair Value	100,000	120,558	24,000
Weighted average grant date fair value per option (in usd per share)	$ 0.24	$ 0.24	$ 0.17
Nonemployee Vested Options
Number of Options
Outstanding January 1	3,428,432	3,128,432	2,848,432
Granted	850,000	300,000	280,000
Exercised	0	0	0
Forfeited	(150,000)	0	0
Outstanding December 31	4,128,432	3,428,432	3,128,432	2,848,432
Vested and expected to vest at December 31, 2013	3,657,599
Exercisable at December 31, 2013	3,657,599
Weighted Average Exercise Price
Outstanding January 1	$ 1.73	$ 1.87	$ 2.03
Granted	$ 0.56	$ 0.29	$ 0.27
Exercised	$ 0.00	$ 0.00	$ 0.00
Forfeited	$ 2.00	$ 0.00	$ 0.00
Outstanding December 31	$ 1.48	$ 1.73	$ 1.87	$ 2.03
Vested and expected to vest at December 31, 2013	$ 1.86
Exercisable at December 31, 2013	$ 1.86
Weighted Average Remaining Contracted Term (Years)
Outstanding January 1	5 years 0 months 5 days	4 years 8 months 15 days	5 years 3 months 0 days	5 years 9 months 20 days
Granted	9 years 6 months 10 days	9 years 6 months 0 days	9 years 10 months 16 days
Outstanding December 31	5 years 0 months 5 days	4 years 8 months 15 days	5 years 3 months 0 days	5 years 9 months 20 days
Vested and expected to vest at December 31, 2013	4 years 6 months 12 days
Exercisable at December 31, 2013	4 years 6 months 12 days
Aggregate Intrinsic Value
Outstanding January 1	0	0	0
Granted	0	0	0
Exercised	0	0	0
Forfeited	0	0	0
Outstanding December 31	0	0	0	0
Vested and expected to vest at December 31, 2013	0
Exercisable at December 31, 2013	0
Options, Grants in Period, Fair Value	131,000	59,922	51,000
Weighted average grant date fair value per option (in usd per share)	$ 0.15	$ 0.20	$ 0.18
Nonemployee Nonvested Options
Number of Options
Outstanding January 1	210,422	256,250	102,084
Granted	470,833	300,000	200,000
Vested	(210,422)	(345,828)	(45,834)
Forfeited	0	0	0
Outstanding December 31	470,833	210,422	256,250	102,084
Weighted Average Exercise Price
Outstanding January 1	$ 0.40	$ 0.71	$ 2.63
Granted	$ 0.25	$ 0.29	$ 0.21
Vested	$ 0.40	$ 0.53	$ 2.81
Forfeited	$ 0.00	$ 0.00	$ 0.00
Outstanding December 31	$ 0.25	$ 0.40	$ 0.71	$ 2.63
Weighted Average Remaining Contracted Term (Years)
Outstanding January 1	9 years 7 months 10 days	9 years 8 months 4 days	8 years 6 months 0 days	3 years 6 months 16 days
Granted	9 years 7 months 10 days	9 years 6 months 0 days	10 years 0 months 0 days
Vested		7 years 11 months 12 days	1 year 6 months 0 days
Outstanding December 31	9 years 7 months 10 days	9 years 8 months 4 days	8 years 6 months 0 days	3 years 6 months 16 days
Aggregate Intrinsic Value
Outstanding January 1	0	0	0
Granted	0	0	0
Vested	0	0	0
Forfeited	0	0	0
Outstanding December 31	$ 0	$ 0	$ 0	$ 0