ACQUISITIONS, GOODWILL, AND ACQUIRED INTANGIBLE ASSETS Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Feb. 12, 2018	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Purchase Price
Cash paid, net of cash acquired		$ 11,769	$ 0	$ 11,769	$ (43)
Allocation
Goodwill		22,058		22,058		$ 14,698
Less: accumulated amortization of acquired intangible assets		(11,361)		(11,361)		(10,442)
Total acquired intangible assets, net		24,653		24,653		$ 7,337
tZero.com, Inc. | Verify Investor, LLC
Purchase Price
Cash paid, net of cash acquired	$ 11,769
Allocation
Intangibles	7,400
Goodwill	7,360
Other assets acquired	3
Other liabilities assumed	(179)
Total net assets, net of cash acquired	14,584
Less: noncontrolling interest	(2,815)
Total net assets attributable to tZERO, net of cash acquired	11,769
Less: accumulated amortization of acquired intangible assets		(187)		(187)
Total acquired intangible assets, net		$ 7,213		$ 7,213
tZero.com, Inc. | Verify Investor, LLC | Technology and developed software
Allocation
Finite-lived intangible assets acquired	$ 6,300
Useful life	10 years
tZero.com, Inc. | Verify Investor, LLC | Trade names
Allocation
Finite-lived intangible assets acquired	$ 700
Useful life	10 years
tZero.com, Inc. | Verify Investor, LLC | Customer relationships
Allocation
Finite-lived intangible assets acquired	$ 400
Useful life	6 months