Consolidated Statements of Operations - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Revenue	$ 15,337,000	$ 15,683,000
Expenses:
Cost of revenue	17,339,000	17,211,000
Sales, general and administrative expenses	4,185,000	5,002,000
Severance and transition costs	7,000	145,000
(Gain) loss on disposal of equipment	(124,000)	47,000
Impairment loss	128,000	733,000
Depreciation and amortization	5,215,000	5,282,000
Total operating expenses	26,750,000	28,420,000
Loss from operations	(11,413,000)	(12,737,000)
Other income (expense):
Interest expense	(57,000)	(1,695,000)
Gain on restructuring of senior revolving credit facility (Note 5)	0	11,916,000
Other income	3,699,000	126,000
Total other income	3,642,000	10,347,000
Loss from continuing operations before taxes	(7,771,000)	(2,390,000)
Income tax expense	(273,000)	(12,000)
Loss from continuing operations	(8,044,000)	(2,402,000)
Loss from discontinued operations	(8,000)	(107,000)
Net loss	$ (8,052,000)	$ (2,509,000)
Loss from continuing operations per common share – basic and diluted (in dollars per share)	$ (0.74)	$ (0.57)
Loss from discontinued operations per common share – basic and diluted (in dollars per share)	0	(0.03)
Net loss per share – basic and diluted (in dollars per share)	$ (0.74)	$ (0.60)
Weighted average number of common shares outstanding – basic and diluted (in shares)	10,879	4,174
Production Services [Member]
Revenues:
Revenue	$ 9,012,000	$ 7,714,000
Expenses:
Cost of revenue	9,734,000	8,410,000
Depreciation and amortization	2,397,000	2,378,000
Completion Services [Member]
Revenues:
Revenue	6,325,000	7,969,000
Expenses:
Cost of revenue	7,605,000	8,801,000
Depreciation and amortization	$ 2,415,000	$ 2,512,000