RELATED PARTY TRANSACTIONS (Details Narrative) - Board of Directors Chairman [Member] - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
RPC Inc [Member]
Related Party Transaction [Line Items]
Notice period for termination of service agreement	6 months
Administrative services and rent income	$ 100	$ 100	$ 100
LOR Inc [Member]
Related Party Transaction [Line Items]
Administrative services and rent income	$ 900	1,000	1,000
PIA LLC [Member]
Related Party Transaction [Line Items]
Lease termination period	30 days
Rent and operating costs	$ 700	$ 800	$ 500
Percent of use of aircraft by the company	100.00%

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Related Party Transaction, Percent of Total Usage Of Related Party Aircraft

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Costs of sales and operating expenses for the period incurred from transactions with related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.1(c))
-URI http://asc.fasb.org/extlink&oid=114873854&loc=SL114874292-224272

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-Name Accounting Standards Codification
-Topic 220
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-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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