Stockholders' Equity (Schedule of Stock-based Compensation) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation	$ 582,630	$ 1,573,602
Employee stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation	527,697	924,343
Employee stock awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation	24,276
Non-employee stock awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation	27,993	78,814
Non Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation	$ 2,664	$ 570,445