COMMITMENTS AND CONTINGENCIES (Details) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($) ft²	Mar. 31, 2018 ft²	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Leases [Abstract]
Remaining term of lease		16 years
Area of office space under lease | ft²	5,380	5,380
Initial term of lease		65 months
Term of rent abated		5 months
Rent expense for base rent	$ 0.1
Additional extension to lease term		5 years
Chief Executive Officer [Member]
Employment Contracts and Severance Payments [Abstract]
Severance payments			$ 0.4	$ 0.3
Severance expense				$ 0.7