Share-Based Payment Arrangements - Equity Plan and Warrant Summary (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
$.29-$.59 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit (in USD per share)	$ 0.20
Range of exercise prices, upper limit (in USD per share)	0.39
$.60-$.64 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit (in USD per share)	0.40
Range of exercise prices, upper limit (in USD per share)	0.59
$.65-$.80 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit (in USD per share)	0.60
Range of exercise prices, upper limit (in USD per share)	$ 0.80
Stock Option [Member] | Equity Incentive Plan [Member] | $.29-$.59 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding (in shares)	2,380,000	3,230,000
Weighted Average Remaining Contractual Life (Years)	5 years 6 months	6 years 6 months
Outstanding, Weighted Average Exercise Price (in USD per share)	$ 0.33	$ 0.29
Number Exercisable (in shares)	2,205,000	1,580,000
Exercisable, Weighted Average Exercise Price (in USD per share)	$ 0.33	$ 0.24
Stock Option [Member] | Equity Incentive Plan [Member] | $.60-$.64 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding (in shares)	4,837,500	3,587,500
Weighted Average Remaining Contractual Life (Years)	3 years 10 months 24 days	4 years 2 months 12 days
Outstanding, Weighted Average Exercise Price (in USD per share)	$ 0.42	$ 0.44
Number Exercisable (in shares)	2,427,420	887,500
Exercisable, Weighted Average Exercise Price (in USD per share)	$ 0.43	$ 0.45
Stock Option [Member] | Equity Incentive Plan [Member] | $.65-$.80 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding (in shares)	600,000	600,000
Weighted Average Remaining Contractual Life (Years)	2 years 1 month 6 days	3 years 1 month 6 days
Outstanding, Weighted Average Exercise Price (in USD per share)	$ 0.71	$ 0.71
Number Exercisable (in shares)	400,000	200,000
Exercisable, Weighted Average Exercise Price (in USD per share)	$ 0.71	$ 0.71