Hourglass Sands (Tables) - Hourglass Sands LLC [Member]

6 Months Ended

Jun. 30, 2019

Business Acquisition [Line Items]

Condensed Balance Sheet

Condensed Balance Sheet

	June 30,		December 31,
	2019		2018
Current assets	$	3,412	$	4,241
Property and equipment		3,053		3,092
Total assets	$	6,465	$	7,333
Total liabilities	$	25	$	502
Redeemable noncontrolling interests		4,000		4,000
Members' equity		2,440		2,831
Total liabilities and equity	$	6,465	$	7,333

Condensed Statement of Operations

Condensed Statement of Operations

	Six Months Ended				Three Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Revenue	$	105	$	—	$	42	$	—
Expenses		496		557		182		421
Net loss	$	(391)	$	(557)	$	(140)	$	(421)