4. Warrants (Details) - shares	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
CCI Warrants [Member]
Number of Warrants
Warrants beginning balance	87,571,429
Warrants granted
Warrants exercised
Warrants repurchased	87,571,429
Warrants expired
Warrants ending balance	0	87,571,429
Warrants exercisable	0
Wytec Warrants [Member]
Number of Warrants
Warrants beginning balance	7,109,280	2,805,672
Warrants granted	50,000	4,680,608
Warrants exercised	384,868	207,000
Warrants repurchased
Warrants expired		170,000
Warrants ending balance	6,774,412	7,109,280
Warrants exercisable	6,774,412