BROKER DEALERS (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2019 USD ($) subsidiary	Dec. 31, 2018 USD ($)
Related Party Transaction [Line Items]
Number of broker-dealer subsidiaries (in subsidiary) | subsidiary	2
SpeedRoute
Related Party Transaction [Line Items]
Actual net capital	$ 1,112,135	$ 1,251,579
Amount in excess of required net capital	1,000,903	1,152,854
Minimum required net capital	$ 111,232	$ 98,725
Net capital ratio	1.50	1.20
Pro Securities
Related Party Transaction [Line Items]
Actual net capital	$ 87,159	$ 13,958
Amount in excess of required net capital	82,159	8,958
Minimum required net capital	$ 5,000	$ 5,000
Net capital ratio	0.20	2.00