Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue	$ 43,026	$ 42,760
Expenses
Cost of Revenue	34,607	33,478
Sales, general and administrative expenses	6,153	5,193
Patent litigation and defense costs	10	80
Severance and transition costs	83	633
(Gain) loss on disposal of equipment	(73)	(104)
Impairment loss	127	0
Depreciation and amortization	5,692	4,871
Total operating expenses	46,599	44,151
Loss from operations	(3,573)	(1,391)
Other (expense) income
Interest expense	(2,805)	(2,228)
Gain on settlement	1,252
Other expense	(162)	(407)
Total other expense	(1,715)	(2,635)
Loss from continuing operations before tax benefit	(5,288)	(4,026)
Income tax expense	(32)	(32)
Loss from continuing operations	(5,320)	(4,058)
Loss from operations of discontinued operations (including gain on disposal of $129,000 and loss on impairment of $130,000 for the year ended December 31, 2018)	(2,332)	(1,807)
Income tax expense
Loss on discontinued operations	(2,332)	(1,807)
Net loss	$ (7,652)	$ (5,865)
Loss from continuing operations per common share – basic and diluted (in dollars per share)	$ (0.10)	$ (0.08)
Loss from discontinued operations per common share – basic and diluted (in dollars per share)	(0.04)	(0.03)
Net loss per share (in dollars per share)	$ (0.14)	$ (0.11)
Basic weighted average number of common shares outstanding (in shares)	55,071	52,865
Production Services [Member]
Revenue	$ 14,704	$ 14,538
Expenses
Cost of Revenue	13,575	12,864
Depreciation and amortization	2,648	2,308
Completion Services [Member]
Revenue	28,322	28,222
Expenses
Cost of Revenue	21,032	20,614
Depreciation and amortization	$ 2,922	$ 2,550