4. Warrants (Details Narrative) - Wytec Warrants [Member] - $ / shares	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Warrants outstanding	6,774,412	7,109,280	2,805,672
Warrants exercisable	6,774,412
Warrant dates exercisable	various dates through December 31, 2017
Warrants 1st amount [Member]
Warrants exercisable	1,731,104
Warrant exercise price	$ 5.00
Warrants 2nd amount [Member]
Warrants exercisable	3,844,808
Warrant exercise price	$ 1.50
Warrants 3rd amount [Member]
Warrants exercisable	75,000
Warrant exercise price	$ 1.45
Warrants 4th amount [Member]
Warrants exercisable	373,500
Warrant exercise price	$ 1.25
Warrants 5th amount [Member]
Warrants exercisable	750,000
Warrant exercise price	$ 1.00