INCOME TAXES, Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Line Items]
Federal corporate tax rate		34.00%	34.00%
Summary of Geographical Breakdown of Income before Provision for Income Taxes [Abstract]
Domestic		$ (4,161)	$ 1,121
Foreign		(244)	(20)
(Loss) income before provision for income taxes		(4,405)	1,101
Current (benefit) provision [Abstract]
Federal		(154)	8
State		59	47
Foreign		13	0
Total current (benefit) provision		(82)	55
Deferred provision [Abstract]
Federal		168	169
State		48	57
Foreign		0	0
Total deferred provision		216	226
Total provision for income taxes		$ 134	$ 281
Effective income tax rate		(3.04%)	25.52%
Maximum [Member]
Income Tax Disclosure [Line Items]
Federal corporate tax rate		35.00%
Plan [Member]
Income Tax Disclosure [Line Items]
Federal corporate tax rate	21.00%