Stock-Based Compensation and Warrants (Details 2)	12 Months Ended
	Dec. 31, 2017 $ / shares shares
Range of Exercise Price 0.09-2.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Range of Exercise Price Lower	$ 0.09
Options Outstanding, Range of Exercise Price Upper	$ 2.00
Options Outstanding, Options | shares	7,244,099
Options Outstanding, Weighted Average Exercise Price	$ 0.85
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 3 months 11 days
Options Exercisable, Options | shares	3,082,751
Options Exercisable, Weighted Average Exercise Price	$ 1.13
Options Exercisable, Weighted Average Remaining Contractual Life	3 years 4 months 28 days
Range of Exercise Price 2.01-3.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Range of Exercise Price Lower	$ 2.01
Options Outstanding, Range of Exercise Price Upper	$ 3.00
Options Outstanding, Options | shares	5,319,999
Options Outstanding, Weighted Average Exercise Price	$ 2.49
Options Outstanding, Weighted Average Remaining Contractual Life	3 years 7 months 28 days
Options Exercisable, Options | shares	4,723,045
Options Exercisable, Weighted Average Exercise Price	$ 2.50
Options Exercisable, Weighted Average Remaining Contractual Life	3 years 5 months 8 days
Range Of Exercise Price 0.09-3.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Range of Exercise Price Lower	$ 0.09
Options Outstanding, Range of Exercise Price Upper	$ 3.00
Options Outstanding, Options | shares	12,564,098
Options Outstanding, Weighted Average Exercise Price	$ 1.55
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 7 months 6 days
Options Exercisable, Options | shares	7,805,796
Options Exercisable, Weighted Average Exercise Price	$ 1.96
Options Exercisable, Weighted Average Remaining Contractual Life	3 years 5 months 5 days