11 - EMPLOYEE BENEFIT PLANS (Details) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
11 - EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 28,000	$ 28,000
Common Class A [Member]
11 - EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Defined Benefit Plan, Plan Assets, Employer, Related Party, Number of Shares	929,203	0.19

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration