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Retirement of Long-Lived Assets	12 Months Ended
	Dec. 31, 2018
Property, Plant and Equipment [Abstract]
Retirement of Long-Lived Assets	Retirement of Long-Lived AssetsDuring the annual review of our rental compressor units, management looks for any units that are not of the type, configuration, make or model that our customers are demanding or that were not cost efficient to refurbish, maintain and/or operate. From our review in 2018, we retired 13 units from our rental fleet. We recorded no loss on the retirement, due to the units being completely depreciated at the time of retirement. We had no retirement from our rental fleet in 2017. From our review in 2016, we determined 63 units should be retired from our rental fleet with key components from those units being re-utilized in future unit builds and/or repairs. We performed an optimization review and recorded a $545,000 loss on retirement of rental equipment to reduce the book value of each unit to the estimated fair value of approximately $242,000 for key components being kept.

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- Definition

The entire disclosure for the details of the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Disclosure may also include a description of the impaired asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired asset is reported.

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