Quarterly report pursuant to Section 13 or 15(d)

PENSION AND POST RETIREMENT BENEFIT PLANS (Details Narrative)

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PENSION AND POST RETIREMENT BENEFIT PLANS (Details Narrative) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2017
Dec. 31, 2016
Contribution by employer   $ 3,300
Subsequent Event [Member]        
Further contributions to defined benefit retirement plan during the fiscal year     $ 5,500