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Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease payments for operating leases

The annual future minimum operating lease payments for heavy equipment, office equipment and premises, excluding contingent rentals, for the next five years and thereafter are as follows:

For the year ending December 31,
2017	$	3,578
2018	3,234
2019	3,323
2020	3,447
2021 and thereafter	8,205
	$	21,787

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- References

No definition available.

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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