REVENUE (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	$ 2,865,000	$ 3,887,000	$ 4,074,000	$ 5,713,000
Revenue included in the beginning balance of Contract liability			0	300,000
FinTech services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	0	2,219,000	0	3,376,000
AI-based products and services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	2,466,000	1,150,000	2,890,000	1,176,000
Advertising and other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	$ 399,000	$ 518,000	$ 1,184,000	$ 1,161,000