Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Allowance for doubtful accounts	$ 39,333	$ 48,201
Patents, amortization	$ 479,685	$ 430,071
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	20,000,000,000	20,000,000,000
Common stock, shares issued (in shares)	18,994,481	9,606,598
Common stock, shares outstanding (in shares)	18,994,481	9,606,598
Series K Preferred Stock [Member]
Mezzanine equity, shares authorized (in shares)	0	20,000
Mezzanine equity, shares issued (in shares)	0	2,810
Mezzanine equity, shares outstanding (in shares)	0	2,810
Series A Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	750,000	750,000
Preferred stock, shares issued (in shares)	60,756	60,756
Preferred stock, shares outstanding (in shares)	60,756	60,756
Liquidation preference	$ 791,992	$ 761,864
Promissory Notes [Member]
Unamortized discount	59,792	20,626
St. George Convertible Note [Member]
Unamortized discount	384,709	673,241
Secured Notes, Current [Member]
Unamortized discount	2,488,113	1,934,304
Secured Notes, Noncurrent [Member]
Unamortized discount	1,224,922	1,684,267
Baybridge Convertible Note [Member]
Unamortized discount	$ 50,400	$ 565,000