Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 70,639		$ 62,724
Less: accumulated depreciation	9,682		8,374
Property, plant and equipment, net	60,957		54,350
Depreciation expense	1,164	$ 869
Depreciation and amortization - Proppant system rental	1,029	760
Depreciation and amortization - Proppant system services	63	34
Depreciation and amortization - Selling, general and administrative	72	75
Capitalized depreciation in property, plant and equipment	156	$ 167
Proppant systems and related equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	57,730		51,899
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,941		3,916
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7		7
Computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	972		829
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,742		1,235
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,008		3,008
Proppant systems in process
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,661		1,252
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 578		$ 578