Enservco (ENSV) 10-Q/A 11 Apr 22 2021 Q1 Quarterly report (amended) Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2021	May 10, 2021
Document Information [Line Items]
Entity Registrant Name	Enservco Corporation
Entity Central Index Key	0000319458
Trading Symbol	ensv
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding (in shares)		11,432,726
Entity Shell Company	false
Document Type	10-Q/A
Document Period End Date	Mar. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	true
Amendment Description	This Amendment No. 1 ("Amendment No. 1") to the Quarterly Report on Form 10-Q/A amends the Quarterly Report on Form 10-Q of Enservco Corporation as of and for the quarter ended March 31, 2021, as filed with the Securities and Exchange Commission ("SEC") on May 13, 2021 (the "Original Filing"). The Company has re-evaluated its previous accounting treatment for the warrant issued to a related party in connection with a conversion of subordinated debt to equity during the first quarter of 2021. Pursuant to such re-evaluation, the Company's management has determined that the Company should have recognized a loss equal to the fair value of the warrant on the date of issuance. Therefore, on March 22, 2022, the Company's management and the audit committee of the Company's board of directors concluded that the Company's unaudited interim financial statements included in the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2021, filed with the SEC on May 13, 2021, should be restated to recognize the loss associated with the issuance of the warrant. As such, the Company is filing this Amendment No. 1 to affect such restatement. The restatement has no impact on the Company's revenues, operating expenses, loss from operations or Adjusted EBITDA for the three months ended March 31, 2021. We are filing this Amendment No. 1 to amend and restate the Original Filing with modification as necessary to reflect the restatement. The following items have been amended to reflect the restatement: (i) Part I, Item 1. Condensed Financial Statements; and (ii) Part I, Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations. In addition, the Company's Principal Executive Officer and Principal Financial Officer have provided new certifications dated as of the date of this filing in connection with this Form 10-Q/A (Exhibits 31.1, 31.2 and 32). As a result of the factors described above, the Company's management has concluded that a material weakness existed in the Company's internal control over financial reporting and that the Company's disclosure controls and procedures were not effective. A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting such that there is a reasonable possibility that a material misstatement of the financial statements will not be prevented or detected and corrected on a timely basis. For a discussion of management's consideration of the material weakness identified, see Part I, Item 4A. Controls and Procedures included in this Amendment No. 1. Except as described above, no other information included in the Original Filing is being amended or updated by this Amendment No. 1. This Amendment No. 1 continues to describe the conditions as of the date of the Original Filing. Except as expressly contained herein, we have not updated, modified or supplemented the disclosures contained in the Original Filing and this Amendment No. 1 does not purport to reflect any information or events subsequent to the Original Filing. Accordingly, this Amendment No. 1 should be read in conjunction with the Original Filing and with our filings with the SEC subsequent to the Original Filing.
Title of 12(b) Security	Common stock, $0.005 par value

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 3,700	$ 1,467
Accounts receivable, net	3,172	1,733
Prepaid expenses and other current assets	971	858
Inventories	334	295
Assets held for sale	527	527
Total current assets	8,704	4,880
Property and equipment, net	19,035	20,317
Goodwill	546	546
Intangible assets, net	563	617
Right-of-use asset - finance, net	110	129
Right-of-use asset - operating, net	2,708	2,918
Other assets	421	423
Non-current assets of discontinued operations	347	353
TOTAL ASSETS	32,434	30,183
Current Liabilities
Accounts payable and accrued liabilities	1,315	1,931
Senior revolving credit facility, related party (including future interest payable of $735 and $892, respectively - see Note 7)	1,318	1,593
Lease liability - finance, current	66	65
Lease liability - operating, current	847	854
Current portion of long-term debt	89	100
Current liabilities of discontinued operations	33	31
Total current liabilities	3,668	4,574
Long-Term Liabilities
Senior revolving credit facility, related party (including future interest payable of $433 and $485, respectively - see Note 7)	13,850	17,485
Subordinated debt, related party (Note 3)		1,180
Long-term debt, less current portion	2,038	2,052
Lease liability - finance, less current portion	38	55
Lease liability - operating, less current portion	1,986	2,185
Other liabilities	43	88
Long-term liabilities of discontinued operations		9
Total long-term liabilities	17,955	23,054
Total liabilities	21,623	27,628
Commitments and Contingencies (Note 9)
Preferred stock, $.005 par value, 10,000,000 shares authorized, no shares issued or outstanding
Common stock. $.005 par value, 100,000,000 shares authorized; 11,439,630 and 6,307,868 shares issued as of March 31, 2021 and December 31, 2020, respectively; 6,907 shares of treasury stock as of March 31, 2021 and December 31, 2020, respectively; and 11,432,723 and 6,300,961 shares outstanding as of March 31, 2021 and December 31, 2020, respectively	57	32
Additional paid-in capital	40,760	30,052
Accumulated deficit	(30,006)	(27,529)
Total stockholders' equity	10,811	2,555
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 32,434	$ 30,183

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Senior revolving credit facility, interest payable current	$ 735	$ 892
Senior revolving credit facility, interest payable noncurrent
Preferred stock, par value (in dollars per share)	$ 0.005	$ 0.005
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.005	$ 0.005
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	11,439,630	6,307,868
Treasury stock, shares (in shares)	6,907	6,907
Common stock, shares outstanding (in shares)	11,432,723	6,300,961

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue	$ 5,143	$ 9,386
Expenses
Cost of Revenue	5,109	8,465
Sales, general, and administrative expenses	1,005	1,762
Loss on disposal of assets	51	15
Depreciation and amortization	1,336	1,396
Total operating expenses	7,501	11,638
Loss from Operations	(2,358)	(2,252)
Other (expense) income
Interest expense	(33)	(641)
Other (expense) income	(78)	20
Total other expense	(111)	(621)
Loss from continuing operations before taxes	(2,469)	(2,873)
Income tax expense
Loss from continuing operations	(2,469)	(2,873)
(Loss) income from discontinued operations (Note 6)	(8)	36
Net loss	$ (2,477)	$ (2,837)
Loss from continuing operations per common share - basic and diluted (in dollars per share)	$ (0.27)	$ (0.78)
(Loss) income from discontinued operations per common share - basic and diluted (in dollars per share)		0.01
Net loss per share - basic and diluted (in dollars per share)	$ (0.27)	$ (0.77)
Weighted average number of common shares outstanding - basic and diluted (in shares)	9,187	3,701
Production Services [Member]
Revenue	$ 1,844	$ 3,202
Expenses
Cost of Revenue	1,967	3,494
Depreciation and amortization	528	671
Completion Services [Member]
Revenue	3,299	6,184
Expenses
Cost of Revenue	3,142	4,971
Depreciation and amortization	$ 712	$ 647

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2019	3,703
Balance at Dec. 31, 2019	$ 19	$ 22,325	$ (25,020)	$ (2,676)
Stock-based compensation		39		39
Restricted share cancellation (in shares)	(2)
Restricted share cancellation
Net loss			(2,837)	(2,837)
Balance (in shares) at Mar. 31, 2020	3,701
Balance at Mar. 31, 2020	$ 19	22,364	(2,837)	(5,474)
Balance (in shares) at Dec. 31, 2020	6,301
Balance at Dec. 31, 2020	$ 32	30,052	(27,529)	2,555
Stock-based compensation		24		24
Net loss			(2,477)	(2,477)
Shares issued in offering, net of issuance costs (in shares)	4,200
Shares issued in offering, net of issuance costs	$ 21	8,824		8,845
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount (in shares)	602
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount	$ 3	1,550		1,553
Restricted share issuances (in shares)	330
Restricted share issuances	$ 1	310		311
Balance (in shares) at Mar. 31, 2021	11,433
Balance at Mar. 31, 2021	$ 57	$ 40,760	$ (30,006)	$ 10,811

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
OPERATING ACTIVITIES
Net loss	$ (2,477,000)	$ (2,837,000)
Net (loss) income from discontinued operations	(8,000)	36,000
Loss from continuing operations	(2,469,000)	(2,873,000)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	1,336,000	1,396,000
Loss on disposal of equipment	51,000	15,000
Board compensation issued in equity	311,000
Fair value of warrant issued upon conversion of subordinated debt to equity	304,000
Stock-based compensation	24,000	39,000
Amortization of debt issuance costs and discount	8,000	47,000
Provision for bad debt expense	38,000	300,000
Changes in operating assets and liabilities
Accounts receivable	(1,476,000)	429,000
Inventories	(39,000)	39,000
Prepaid expense and other current assets	(113,000)	333,000
Amortization of operating lease assets	210,000	230,000
Other assets	2,000	15,000
Accounts payable and accrued liabilities	(556,000)	(869,000)
Operating lease liabilities	(206,000)	(204,000)
Other liabilities	(45,000)
Net cash used in operating activities - continuing operations	(2,620,000)	(1,103,000)
Net cash (used in) provided by operating activities - discontinued operations	(2,000)	134,000
Net cash used in operating activities	(2,622,000)	(969,000)
INVESTING ACTIVITIES
Purchases of property and equipment	(45,000)	(164,000)
Proceeds from disposals of property and equipment	13,000
Net cash used in investing activities - continuing operations	(32,000)	(164,000)
Net cash provided by investing activities - discontinued operations		178,000
Net cash (used in) provided by investing activities	(32,000)	14,000
FINANCING ACTIVITIES
Gross proceeds from stock issuance	9,660,000
Stock issuance costs and registration fees	(815,000)
Net line of credit (repayments) borrowings	(701,000)	595,000
TDR accrued future interest payments	(209,000)
Repayment of long-term debt	(25,000)	(23,000)
Payments of finance leases	(22,000)	(30,000)
Net cash provided by financing activities - continuing operations	4,888,000	542,000
Net cash used in financing activities - discontinued operations	(1,000)	(33,000)
Net cash provided by financing activities	4,887,000	509,000
Net Increase (Decrease) in Cash and Cash Equivalents	2,233,000	(446,000)
Cash and Cash Equivalents, beginning of period	1,467,000	663,000
Cash and Cash Equivalents, end of period	3,700,000	217,000
Supplemental Cash Flow Information:
Cash paid for interest	220,000	537,000
Supplemental Disclosure of Non-cash Investing and Financing Activities:
Non-cash conversion of subordinated debt and accrued interest to common stock	1,312,000
Non-cash conversion of unamortized subordinated debt discount	61,000
Equipment Term Loan [Member]
FINANCING ACTIVITIES
Term loan repayment	$ (3,000,000)

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	Note 1 – Basis of Presentation Enservco Corporation (“Enservco”) through its wholly-owned subsidiaries (collectively referred to as the “Company”, “we” or “us”) provides various services to the domestic onshore oil and natural gas industry. These services include frac water heating (completion and other services) and hot oiling and acidizing (production services). The accompanying unaudited condensed consolidated financial statements have been derived from the accounting records of Enservco Corporation, Heat Waves Hot Oil Service LLC (“Heat Waves”), . (“Dillco”), Heat Waves Water Management LLC (“HWWM”), and Adler Hot Oil Service, LLC ("Adler") (collectively, the “Company”) as of March 31, 2021 December 31, 2020 three March 31, 2021 2020. The below table provides an overview of the Company 's current ownership hierarchy: Name State of Formation Ownership Business Heat Waves Hot Oil Service LLC Colorado 100% by Enservco Oil and natural gas well services, including logistics and stimulation. Adler Hot Oil Service, LLC Delaware 100% by Enservco Operations integrated into Heat Waves during 2019. Heat Waves Water Management LLC Colorado 100% by Enservco Discontinued operations in 2019 Dillco Fluid Service, Inc Kansas 100% by Enservco Discontinued operation in 2018 HE Services LLC Nevada 100% by Heat Waves No active business operations. Owned construction equipment used by Heat Waves. HE Services LLC was dissolved on December 23, 2020. The accompanying unaudited condensed consolidated financial statements of the Company have been prepared in accordance with accounting principles for interim financial information and with the instructions to Form 10 8 X. not not The accompanying unaudited condensed consolidated financial statements were prepared in accordance with generally accepted accounting principles in the United States of America (“GAAP”) and follow the same accounting policies and methods of their application as the most recent annual financial statements. These interim financial statements should be read in conjunction with the financial statements and related footnotes included in the Annual Report on Form 10 December 31, 2020.

Note 2 - Restatement of Previou

Note 2 - Restatement of Previously Issued Financial Statements	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Error Correction [Text Block]	Note 2 – Restatement of Previously Issued Financial Statements In accordance with Accounting Standards Codification ("ASC") 470 50, 2010 February 2021, $1.25 $62,000 601,674 $2.18 150,418 $2.507 150,418 five February 3, 2022 February 3, 2026. no $304,000. first 2021. third 2020 not The following tables summarize the effect of the restatement on each financial statement line item as of the date, and for the period, indicated (in thousands except per share amounts): March 31, 2021 As Previously Reported Adjustments As Restated Condensed Consolidated Balance Sheet (unaudited) Additional paid-in capital $ 40,456 $ 304 $ 40,760 Accumulated deficit (29,702 ) (304 ) (30,006 ) For the Three Months Ended March 31, 2021 As Previously Reported Adjustments As Restated Condensed Consolidated Statement of Operations (unaudited) Other (expense) income $ 226 $ (304 ) $ (78 ) Total other expense 193 (304 ) (111 ) Loss from continuing operations before taxes (2,165 ) (304 ) (2,469 ) Loss from continuing operations (2,165 ) (304 ) (2,469 ) Net loss (2,173 ) (304 ) (2,477 ) Loss from continuing operations per common share - basic and diluted (0.24 ) (0.03 ) (0.27 ) Net loss per share - basic and diluted (0.24 ) (0.03 ) (0.27 ) Additional Paid-in Capital Accumulated Deficit Total Stockholders' Equity Consolidated Statement of Stockholders' Equity (Deficit) (unaudited) As Previously Reported: Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount $ 1,246 $ - $ 1,249 Net loss - (2,173 ) (2,173 ) Balance at March 31, 2021 40,456 (29,702 ) 10,811 Adjustments: Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount $ 304 $ - $ 304 Net loss - (304 ) (304 ) Balance at March 31, 2021 304 (304 ) - As Restated: Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount $ 1,550 $ - $ 1,553 Net loss - (2,477 ) (2,477 ) Balance at March 31, 2021 40,760 (30,006 ) 10,811 For the Three Months Ended March 31, 2021 As Previously Reported Adjustments As Restated Condensed Consolidated Statement of Cash Flows (unaudited) OPERATING ACTIVITIES Net loss $ (2,173 ) $ (304 ) $ (2,477 ) Net loss from continuing operations (2,165 ) (304 ) (2,469 ) Fair value of warrant issued upon conversion of subordinated debt to equity - 304 304

Note 3 - Summary of Significant

Note 3 - Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 3 - Summary of Significant Accounting Policies Recent Developments On August 10, 2017, 2017 "2017 three $37.0 September 23, 2020, $16.0 533,334 1,000,000 October 15, 2021. February 1, 2021, October 15, 2022, April 26, 2021, 10 November 15, 2021. March 31, 2021, twelve March 31, 2021. On August 13, 2020, 50%, $1.25 $265,000 403,602 September 15, 2020. February 3, 2021, $1.25 $62,000 601,674 $2.18 150,418 $2.507 150,418 five February 3, 2022 February 3, 2026. $2.02 $304,000 first 2021. On September 28, 2020, 3 July 24, 2020, August 20, 2020. September 29, 2020, 1,694,219 $3.5 On February 8, 2021, 1 January 21, 2021 February 8, 2021 ( "February 2021 4,199,998 $2.30 $8.8 February 2021 February 10, 2021. $3.0 February 2021 Recent Market Conditions The COVID- 19 February 2020, 19 may not 19 In addition, certain producing countries within the Organization of Petroleum Exporting Countries and their allies ("OPEC+") group attempted to increase market share through pricing activity that has had limited impact on the severe decline in domestic oil prices that occurred during the first 2020, no not The full extent of the impact of COVID- 19 may Cash and Cash Equivalents The Company considers all highly liquid instruments purchased with an original maturity of three may Accounts Receivable Accounts receivable are stated at the amounts billed to customers, net of an allowance for uncollectible accounts. The Company provides an allowance for uncollectible accounts based on a review of outstanding receivables, historical collection information and existing economic conditions. The allowance for uncollectible amounts is continually reviewed and adjusted to maintain the allowance at a level considered adequate to cover future losses. The allowance is management's best estimate of uncollectible amounts and is determined based on historical collection experience related to accounts receivable coupled with a review of the current status of existing receivables. The losses ultimately incurred could differ materially in the near term from the amounts estimated in determining the allowance. As of March 31, 2021, December 31, 2020, $359,000 $322,000, he three March 31, 2021 2020, $38,000 $300,000 Inventories Inventory consists primarily of propane, diesel fuel and chemicals that are used in the servicing of oil wells and is carried at the lower of cost or net realizable value in accordance with the first first three 31 2021 2020, not write-downs or write-offs of inventory . Property and Equipment Property and equipment consist of (i) trucks, trailers and pickups; (ii) (iii) real property which includes land and buildings used for office and shop facilities and wells used for the disposal of water; (iv) other equipment such as tools used for maintaining and repairing vehicles, and (v) office furniture and fixtures, and computer equipment. Property and equipment is stated at cost less accumulated depreciation. The Company capitalizes interest on certain qualifying assets that are undergoing activities to prepare them for their intended use. Interest costs incurred during the fabrication period are capitalized and amortized over the life of the assets. The Company did not three March 31, 2021 2020. 5 30 Any difference between net book value of the property and equipment and the proceeds of an assets' sale or settlement of an insurance claim is recorded as a gain or loss in the Company's earnings. Leases The Company assesses whether an arrangement is a lease at inception. Leases with an initial term of 12 not not not The Company conducts a major part of its operations from leased facilities. Each of these leases is accounted for as an operating lease. Operating lease assets and liabilities are recognized at the lease commencement date. Operating lease liabilities represent the present value of lease payments not The Company amortizes leasehold improvements over the shorter of the life of the lease or the life of the improvements. The Company has leased trucks and equipment in the normal course of business, which may rental expense on equipment under operating leases over the lease term as it becomes payable; there were no rent escalation terms associated with these equipment leases. The Company records amortization expense on equipment under finance leases on a straight-line basis as well as interest expense based on our implicit borrowing rate at the date of the lease inception. The equipment leases contain purchase options that allow the Company to purchase the leased equipment at the end of the lease term, based on the market price of the equipment at the time of the lease termination. Long-Lived Assets The Company reviews its long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset may not first 2021, no first 2020, 19 no three 31, 2021. Assets Held for Sale The Company classifies long-lived assets to be sold as held for sale in the period in which all of the following criteria are met: ( 1 2 3 4 one one 5 6 We initially measure a long-lived asset or disposal group that is classified as held for sale at the lower of its carrying value or fair value less any costs to sell. Any loss resulting from this measurement is recognized in the period in which the held-for-sale criteria are met. Conversely, gains are not not three March 31, 2021 2020, no Upon determining that a long-lived asset or disposal group meets the criteria to be classified as held for sale, the Company ceases depreciation and reports long-lived assets and/or the assets and liabilities of the disposal group, if material, in the line items assets held for sale in our consolidated balance sheets. Goodwill and Other Intangible Assets Goodwill represents the excess purchase price over the fair value of identifiable assets received attributable to business acquisitions and combinations. Goodwill and other intangible assets are measured for impairment at least annually and/or whenever events and circumstances arise that indicate impairment may During the first 2021, no first 2020, 19 no three March 31, 2020. Revenue Recognition The Company evaluates revenue when we can identify the contract with the customer, the performance obligations in the contract, the transaction price, and we are certain that the performance obligations have been met. Revenue is recognized when the service has been provided to the customer. The vast majority of the Company's services and product offerings are short-term in nature. The time between invoicing and when payment is due under these arrangements is generally 30 60 not The Company's agreements with its customers are often referred to as “price sheets” and sometimes provide pricing for multiple services. However, these agreements generally do not not Revenue is recognized for certain projects that take more than one Disaggregation of revenue See Note 12 Earnings per Common Share - Basic is computed by dividing net income (loss) by the weighted average number of common shares outstanding for the period. Earnings per Common Share - Diluted earnings is calculated by dividing net income (loss) by the diluted weighted average number of common shares. The diluted weighted average number of common shares is computed using the treasury stock method for common stock that may As of March 31, 2021 and 2020 , there were outstanding stock options, unvested restricted stock awards and warrants to acquire an aggregate of 1,383,489 and 247,048 shares of Company common stock, respectively, which have a potentially dilutive impact on earnings per share. As of March 31, 2021 and 2020, no March 31 , 2021 and 2020, not not three March 31, 2021 2020. Income Taxes The Company recognizes deferred tax liabilities and assets based on the differences between the tax basis of assets and liabilities and their reported amounts in the consolidated financial statements that will result in taxable or deductible amounts in future years. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect of a change in tax rates on deferred tax assets and liabilities will be recognized in income in the period that includes the enactment date. A deferred tax asset or liability that is not not The Company accounts for any uncertainty in income taxes by recognizing the tax benefit from an uncertain tax position only if, in the Company's opinion, it is more likely than not 50% may not Interest and penalties associated with tax positions are recorded in the period assessed as Other expense. The Company files income tax returns in the United States and in the states in which it conducts its business operations. The Company 's United States federal income tax filings for tax years 2017 2020 2016 2020. Fair Value The Company follows authoritative guidance that applies to all financial assets and liabilities required to be measured and reported on a fair value basis. The Company also applies the guidance to non-financial assets and liabilities measured at fair value on a nonrecurring basis, including non-competition agreements and goodwill. The guidance defines fair value as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The guidance establishes a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs that market participants would use in pricing the asset or liability developed based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that reflect the Company's assumptions of what market participants would use in pricing the asset or liability based on the best information available in the circumstances. Beginning in 2017 not three 31, 2021 The hierarchy is broken down into three Level 1: Quoted prices are available in active markets for identical assets or liabilities; Level 2: Quoted prices in active markets for similar assets and liabilities that are observable for the asset or liability; or Level 3: Unobservable pricing inputs that are generally less observable from objective sources, such as discounted cash flow models or valuations. Stock-based Compensation Stock-based compensation cost is measured at the date of grant, based on the calculated fair value of the award as described below, and is recognized over the requisite service period, which is generally the vesting period of the equity grant. The Company uses the Black-Scholes pricing model as a method for determining the estimated grant date fair value for all stock options awarded to employees, independent contractors, officers, and directors. The expected term of the options is based upon evaluation of historical and expected exercise behavior. The risk-free interest rate is based upon U.S. Treasury rates at the date of grant with maturity dates approximately equal to the expected life of the grant. Volatility is determined upon historical volatility of our stock and adjusted if future volatility is expected to vary from historical experience. The dividend yield is assumed to be none not The Company uses a Lattice model to determine the fair value of certain warrants. The expected term used was the remaining contractual term. Expected volatility is based upon historical volatility over a term consistent with the remaining term. The risk-free interest rate is derived from the yield on zero The Company used the market-value of Company stock to determine the fair value of the performance-based restricted stock awarded in 2018 2019. 2021 2020. Management Estimates The preparation of the Company's consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates include the realization of accounts receivable, evaluation of impairment of long-lived assets, stock-based compensation expense, income tax provision and the valuation of deferred taxes. Actual results could differ from those estimates. Reclassifications Certain prior-period amounts have been reclassified for comparative purposes to conform to the current presentation. These reclassifications have no Accounting Pronouncements In June 2016, 2016 13, 326 December 15, 2022. not 2016 13 In December 2019, 2019 12, 740 740, not December 15, 2020. 2019 12 January 1, 2021, not

Note 4 - Property and Equipment

Note 4 - Property and Equipment	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	Note 4 - Property and Equipment Property and equipment consist of the following (amounts in thousands): March 31, December 31, 2021 2020 Trucks and vehicles $ 57,090 $ 57,224 Other equipment 1,324 1,319 Buildings and improvements 3,176 3,176 Land 378 378 Total property and equipment 61,968 62,097 Accumulated depreciation (42,933 ) (41,780 ) Property and equipment, net $ 19,035 $ 20,317 For the three March 31, 2021 2020, $1.3 $1.4

Note 5 - Intangible Assets

Note 5 - Intangible Assets	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Intangible Assets Disclosure [Text Block]	Note 5 The components of our intangible assets as of March 31, 2021, December 31, 2020, March 31, 2021 December 31, 2020 Customer relationships $ 626 $ 626 Patents and trademarks 441 441 Total intangible assets 1,067 1,067 Accumulated amortization (504 ) (450 ) Net carrying value $ 563 $ 617 The useful lives of our intangible assets are estimated to be five three March 31, 2021 2020, $54,000 $51,000, The following table represents the amortization expense for the next five twelve March 31 ( 2022 2023 2024 2025 2026 Customer relationships $ 125 $ 125 $ 73 $ - $ - Patents and trademarks 93 93 54 - - Total intangible asset amortization expense $ 218 $ 218 $ 127 $ - $ -

Note 6 - Discontinued Operation

Note 6 - Discontinued Operations	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	Note 6 Heat Waves Water Management During December 2019, 2020, 2021. Dillco Effective November 1, 2018, The following table represents a reconciliation of the carrying amounts of major classes of assets and liabilities disclosed as discontinued operations in the Balance Sheets: March 31, December 31, 2021 2020 Carrying amount of major classes of assets included as part of discontinued operations: Property and equipment, net 321 321 Other assets 26 32 Total major classes of assets of the discontinued operation $ 347 $ 353 Carrying amounts of major classes of liabilities included as part of discontinued operations: Accounts payable and accrued liabilities 6 6 Other liabilities 27 34 Total liabilities included as part of discontinued operations $ 33 $ 40 The following table represents a reconciliation of the major classes of line items constituting pretax loss of discontinued operations that are disclosed as discontinued operations in the Statements of Operations: Three Months Ended March 31, 2021 2020 Revenue $ - $ - Cost of sales (1 ) - Sales, general, and administrative expenses - - Depreciation and amortization (6 ) (6 ) Other expense items that are not major (1 ) (12 ) Pretax loss of discontinued operations related to major classes of pretax profit (8 ) (18 ) Gain on disposal - 54 Total (loss) income on discontinued operations that is presented in the Statements of Operations $ (8 ) $ 36

Note 7 - Debt

Note 7 - Debt	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Debt Disclosure [Text Block]	Note 7 – Debt East West Bank Revolving Credit Facility The 2017 3 85% 85% $16.0 $17.0 $1.0 January 1, 2021. no October 15, 2022, 8.25%. first 5.25% 3.00% October 15, 2021, 0.5% On February 11, 2021, $3.0 March 31, 2021, $15.2 8.25% March 31, 2021, 2017 $1.0 $15.2 March 31, 2021 $1.2 470 60, Under the amended 2017 31, 2021: ( 1 On December 31, 2020, not $1.5 ( 2 For each trailing three three March 31, 2021, seventy 70% ( 3 $1.2 In connection with amending the 2017 September 23, 2020, 533,334 five 1,000,000 $3.75 533,334 $2.0775 $1.1 533,334 not March 23, 2021. 1,000,000 September 23, 2021 September 23, 2025. $1.4 $11.9 third 2020, $16.0 Debt Issuance Costs We capitalized certain debt issuance costs incurred in connection with the Credit Facility discussed above and these costs were amortized to interest expense over the term of the facility on a straight-line basis. There were no March 31, 2021, December 31, 2020. three 31, 2020 $35,000 of these costs to Interest Expense. Notes Payable Long-term debt consists of the following (in thousands): March 31, December 31, 2021 2020 Senior Revolving Credit Facility with related party. All future interest through October 15, 2021 accrued to loan pursuant to the Fifth Amendment. Interest at 8.25%, 5.25% is paid monthly while 3% is accrued and paid upon maturity. Matures October 15, 2022. $ 15,168 $ 19,078 Paycheck Protection Loan. Interest is at 1% with payments deferred until October 10, 2020. Matures April 10, 2022. 1,940 1,940 Subordinated Promissory Note with related party. Interest is at 10% and is paid quarterly. Matures June 28, 2022. See Note 3 - Summary of Significant Accounting Policies and Recent Developments for discussion of conversion of debt balance. - 1,250 Real Estate Loan for a facility in North Dakota, interest at 5.75%, and monthly principal and interest payment of $5,255 until October 3, 2023. Collateralized by land and property purchased with the loan. 153 167 Vehicle loans for three pickups, interest at 8.59% monthly principal and interest payments of $3,966, matures in August 2021. 20 31 Note payable to the seller of Heat Waves. The note was garnished by the Internal Revenue Service (“IRS”) in 2009 and is due on demand; paid in annual installments of $36,000 per agreement with the IRS 14 14 Total 17,295 22,480 Less debt discount - (70 ) Less current portion (1,407 ) (1,693 ) Long-term debt, net of debt discount and current portion $ 15,888 $ 20,717 Aggregate maturities of debt are as follows (in thousands): Twelve Months Ending March 31, 2022 824 2023 16,432 2024 39 Thereafter - Total $ 17,295

Note 8 - Income Taxes

Note 8 - Income Taxes	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Income Tax Disclosure [Text Block]	Note 8 – Income Taxes Income tax expense during interim periods is based on applying an estimated annual effective income tax rate to year-to-date income, plus any significant unusual or infrequently occurring items which are recorded in the interim period. The provision for income taxes for the three March 31, 2021 2020 21 The computation of the annual estimated effective tax rate at each interim period requires certain estimates and significant judgment including, but not may In assessing the realization of deferred tax assets, management considers whether it is more likely than not not Based upon the level of historical taxable income and projections for future taxable income over the periods in which the deferred tax assets are deductible, management recorded a valuation allowance to reduce its net deferred tax assets to zero. During the three March 31, 2021 2020, $0.5 $0.7

Note 9 - Commitments and Contin

Note 9 - Commitments and Contingencies	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	Note 9 – Commitments and Contingencies Operating Leases Operating lease assets and liabilities are recognized at the lease commencement date. Operating lease liabilities represent the present value of lease payments not not The Company has elected the short-term lease recognition exemption for all applicable classes of underlying assets. Short-term disclosures include only those leases with a term greater than one 12 12 not not The Company elected the expedient to account for lease and non-lease components as a single component for our entire population of operating lease assets. As of March 31, 2021, June 2026. uture minimum lease commitments for these operating lease commitments are as follows (in thousands): Twelve Months Ending March 31, Operating Leases Finance Leases 2022 $ 948 $ 99 2023 709 20 2024 645 14 2025 399 6 2026 356 - Thereafter 90 - Total future lease commitments 3,147 139 Impact of discounting (314 ) (35 ) Discounted value of lease obligations $ 2,833 $ 104 The following table summarizes the components of our gross operating lease costs incurred during the three March 31, 2021 2020 Three Months Ended March 31, 2021 2020 Operating lease expense: Current lease cost $ 14 $ 291 Long-term lease cost 257 20 Total operating lease cost $ 271 $ 311 Finance lease expense: Amortization of right-of-use assets $ 25 $ 58 Interest on lease liabilities 16 7 Total lease cost $ 41 $ 65 Our weighted-average lease term and discount rate used during the three March 31, 2021 2020 Three Month Ended March 31, 2021 2020 Operating Weighted-average lease term (years) 3.90 4.35 Weighted-average discount rate 6.08 % 6.08 % Finance Weighted-average lease term (years) 1.91 1.91 Weighted-average discount rate 5.92 % 6.10 % Self-Insurance In June 2015, first $50,000 $1.8 The Company had an accrued liability of approximately $ 108,000 and $150,000 as of March 31, 2021 December 31, 2020, December 31, 2020. January 1, 2021, no Effective April 1, 2015, March 31, 2018. $1.8 March 31, 2021, not December 31, 2017, March 31, 2021, $1.8 $1.8 $1.6 September 2020, March 31, 2021, no $189,000 April 1, 2018, no

Note 10 - Stockholders' Equity

Note 10 - Stockholders' Equity	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	Note 10 – Stockholders ' Equity Warrants In June 2016, 2 ,000 $5.40 one 1,000 December 21, 2016 1,000 June 21, 2017. March 31, 2021 , June 21, 2021 $10.50 On November 11, 2019, one five 41,667 $3.00 $2.40 November 11, 2024. On September 23, 2020, one five 1,000,000 $3.75 $1.42, one September 23, 2021 September 23, 2025. On February 11, 2021, one five 150,418 $2.507 $2.02 one February 11, 2022 February 11, 2026. All warrants granted to Cross River were reviewed and approved by the independent directors of the Company. On April 12, 2021, may A summary of warrant activity for the three months ended March 31, 2021 Weighted Weighted Average Average Remaining Exercise Contractual Warrants Shares Price Life (Years) Outstanding at December 31, 2020 1,043,667 $ 3.73 4.7 Issued 150,418 2.51 4.9 Outstanding at March 31, 2021 1,194,085 $ 3.58 4.5 Exercisable at March 31, 2021 43,667 $ 3.34 3.5

Note 11 - Stock Options and Res

Note 11 - Stock Options and Restricted Stock	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	Note 11 – Stock Options and Restricted Stock Stock Options On July 27, 2010, 2010 “2010 2010 15% January 1, 2016 2010 381,272 2,541,809 one three 5 2010 no 2010 March 31, 2021, 1,079 2010 On July 18, 2016, 2016 “2016 September 29, 2016. may 2016 533,334 2010 159,448 692,782 March 31, 2021, 3,823 184,503 2016 During t three months ended March 31, 2021 2020, no The following is a summary of stock option activity for all equity plans for the three March 31, 2021: Shares Weighted Average Exercise Price Weighted Average Remaining Contractual Term (Years) Outstanding at December 31 , 2020 11,569 $ 5.87 0.53 Forfeited or Expired (6,667 ) 5.55 - Outstanding at March 31 , 2021 4,902 $ 6.31 0.94 Vested at March 31, 2021 4,902 $ 6.31 0.94 Exercisable at March 31, 2021 4,902 $ 6.31 0.94 There was no March 31 , 2021, . During the three 31 , 2021 and 2020 $0 $2,000, The Company currently expects all outstanding options to vest. Compensation cost is revised if subsequent information indicates that the actual number of options vested due to service is likely to differ from previous estimates. As of March 31, 2021, no Restricted Stock Restricted shares issued pursuant to restricted stock awards under the 2016 three may not A summary of the restricted stock activity is presented below: Number of Shares Weighted-Average Grant- Date Fair Value Restricted shares at December 31, 2020 24,393 $ 7.32 Granted 165,000 1.05 Vested (3,667 ) 7.05 Forfeited (1,223 ) 9.99 Restricted shares at March 31, 2021 184,503 $ 1.70 During the three March 31, 2021 2020, stock-based compensation costs for restricted stock of approximately $ 24,000 and $36 ,000 in sales, general, and administrative expenses. Compensation cost is revised if subsequent information indicates that the actual number of restricted stock vested due to service is likely to differ from previous estimates. The following table sets forth the weighted average outstanding of potentially dilutive instruments for the three March 31, 2021 2020: Three Months Ended March 31, 2021 2020 Stock options 6,235 118,143 Restricted stock 170,338 112,531 Warrants 1,123,890 43,667 Weighted average 1,300,463 274,341 On January 4, 2021, $311,000 December 31, 2020, $221,000 October 2019 December 2020. three March 31, 2021, 118,184 three March 31, 2021, 48,129 2021 $23,000

Note 12 - Segment Reporting

Note 12 - Segment Reporting	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	Note 12 - Segment Reporting Enservco's reportable business segments are Production Services and Completion and Other Services. These segments have been selected based on management's resource allocation and performance assessment in making decisions regarding the Company. The following is a description of the segments. Production Services Completion and Other Services Unallocated includes general overhead expenses and assets associated with managing all reportable operating segments which have not The following tables set forth certain financial information with respect to Enservco's reportable segments (in thousands): Production Services Completion and Other Services Unallocated Total Three Months Ended March 31, 2021: Revenues $ 1,844 $ 3,299 $ - $ 5,143 Cost of Revenue 1,967 3,142 - 5,109 Segment (Loss) Profit $ (123 ) $ 157 $ - $ 34 Depreciation and $ 528 $ 712 $ 96 $ 1,336 Capital Expenditures $ 19 $ 26 $ - $ 45 Identifiable assets (1) $ 10,842 $ 14,636 $ 829 $ 26,307 Three Months Ended March 31, 2020: Revenues $ 3,202 $ 6,184 $ - $ 9,386 Cost of Revenue 3,494 4,971 $ 8,465 Segment (Loss) Profit $ (292 ) $ 1,213 $ $ 921 Depreciation and $ 671 $ 647 $ 78 $ 1,396 Capital Expenditures $ 83 $ 81 $ - $ 164 Identifiable assets (1) $ 17,662 $ 17,033 $ 1,278 $ 35,973 ( 1 Identifiable assets is calculated by summing the balances of accounts receivable, net; inventories; property and equipment, net; and other assets. The following table reconciles the segment profits reported above to the income from operations reported in the consolidated statements of operations (in thousands): Three Months Ended March 31, 2021 2020 Segment profit $ 34 $ 921 Sales, general, and administrative expenses (1,005 ) (1,762) Loss on disposals of equipment (51 ) (15 ) Depreciation and amortization (1,336 ) (1,396 ) Loss from operations $ (2,358 ) $ (2,252 ) Geographic Areas The Company only does business in the United States, in what it believes are three three Three Months Ended March 31, 2021 2020 BY GEOGRAPHY Production Services: Rocky Mountain Region (1) $ 444 $ 1,193 Central USA Region (2) 1,240 1,873 Eastern USA Region (3) 160 136 Total Production Services 1,844 3,202 Completion and Other Services: Rocky Mountain Region (1) 1,952 5,006 Central USA Region (2) - 110 Eastern USA Region (3) 1,347 1,068 Total Completion and Other Services 3,299 6,184 Total Revenues $ 5,143 $ 9,386 Notes to tables: ( 1 Includes the D-J Basin/Niobrara field (northeastern Colorado and southeastern Wyoming), the San Juan Basin (southeastern Colorado and northeastern New Mexico, the Powder River and Green River Basins (northeastern and southwestern Wyoming), the Bakken area (western North Dakota and eastern Montana). ( 2 Includes the Scoop/Stack Shale in Oklahoma and the Eagle Ford Shale in Texas. ( 3 Consists of the southern region of the Marcellus Shale formation (southwestern Pennsylvania and northern West Virginia) and the Utica Shale formation (eastern Ohio).

Significant Accounting Policies

Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Cash and Cash Equivalents, Policy [Policy Text Block]	Cash and Cash Equivalents The Company considers all highly liquid instruments purchased with an original maturity of three may
Accounts Receivable [Policy Text Block]	Accounts Receivable Accounts receivable are stated at the amounts billed to customers, net of an allowance for uncollectible accounts. The Company provides an allowance for uncollectible accounts based on a review of outstanding receivables, historical collection information and existing economic conditions. The allowance for uncollectible amounts is continually reviewed and adjusted to maintain the allowance at a level considered adequate to cover future losses. The allowance is management's best estimate of uncollectible amounts and is determined based on historical collection experience related to accounts receivable coupled with a review of the current status of existing receivables. The losses ultimately incurred could differ materially in the near term from the amounts estimated in determining the allowance. As of March 31, 2021, December 31, 2020, $359,000 $322,000, he three March 31, 2021 2020, $38,000 $300,000
Inventory, Policy [Policy Text Block]	Inventories Inventory consists primarily of propane, diesel fuel and chemicals that are used in the servicing of oil wells and is carried at the lower of cost or net realizable value in accordance with the first first three 31 2021 2020, not write-downs or write-offs of inventory .
Property, Plant and Equipment, Policy [Policy Text Block]	Property and Equipment Property and equipment consist of (i) trucks, trailers and pickups; (ii) (iii) real property which includes land and buildings used for office and shop facilities and wells used for the disposal of water; (iv) other equipment such as tools used for maintaining and repairing vehicles, and (v) office furniture and fixtures, and computer equipment. Property and equipment is stated at cost less accumulated depreciation. The Company capitalizes interest on certain qualifying assets that are undergoing activities to prepare them for their intended use. Interest costs incurred during the fabrication period are capitalized and amortized over the life of the assets. The Company did not three March 31, 2021 2020. 5 30 Any difference between net book value of the property and equipment and the proceeds of an assets' sale or settlement of an insurance claim is recorded as a gain or loss in the Company's earnings.
Lessee, Leases [Policy Text Block]	Leases The Company assesses whether an arrangement is a lease at inception. Leases with an initial term of 12 not not not The Company conducts a major part of its operations from leased facilities. Each of these leases is accounted for as an operating lease. Operating lease assets and liabilities are recognized at the lease commencement date. Operating lease liabilities represent the present value of lease payments not The Company amortizes leasehold improvements over the shorter of the life of the lease or the life of the improvements. The Company has leased trucks and equipment in the normal course of business, which may rental expense on equipment under operating leases over the lease term as it becomes payable; there were no rent escalation terms associated with these equipment leases. The Company records amortization expense on equipment under finance leases on a straight-line basis as well as interest expense based on our implicit borrowing rate at the date of the lease inception. The equipment leases contain purchase options that allow the Company to purchase the leased equipment at the end of the lease term, based on the market price of the equipment at the time of the lease termination.
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]	Long-Lived Assets The Company reviews its long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset may not first 2021, no first 2020, 19 no three 31, 2021. Assets Held for Sale The Company classifies long-lived assets to be sold as held for sale in the period in which all of the following criteria are met: ( 1 2 3 4 one one 5 6 We initially measure a long-lived asset or disposal group that is classified as held for sale at the lower of its carrying value or fair value less any costs to sell. Any loss resulting from this measurement is recognized in the period in which the held-for-sale criteria are met. Conversely, gains are not not three March 31, 2021 2020, no Upon determining that a long-lived asset or disposal group meets the criteria to be classified as held for sale, the Company ceases depreciation and reports long-lived assets and/or the assets and liabilities of the disposal group, if material, in the line items assets held for sale in our consolidated balance sheets.
Goodwill and Intangible Assets, Policy [Policy Text Block]	Goodwill and Other Intangible Assets Goodwill represents the excess purchase price over the fair value of identifiable assets received attributable to business acquisitions and combinations. Goodwill and other intangible assets are measured for impairment at least annually and/or whenever events and circumstances arise that indicate impairment may During the first 2021, no first 2020, 19 no three March 31, 2020.
Revenue [Policy Text Block]	Revenue Recognition The Company evaluates revenue when we can identify the contract with the customer, the performance obligations in the contract, the transaction price, and we are certain that the performance obligations have been met. Revenue is recognized when the service has been provided to the customer. The vast majority of the Company's services and product offerings are short-term in nature. The time between invoicing and when payment is due under these arrangements is generally 30 60 not The Company's agreements with its customers are often referred to as “price sheets” and sometimes provide pricing for multiple services. However, these agreements generally do not not Revenue is recognized for certain projects that take more than one Disaggregation of revenue See Note 11
Earnings Per Share, Policy [Policy Text Block]	Earnings (Loss) Per Share Earnings per Common Share - Basic is computed by dividing net income (loss) by the weighted average number of common shares outstanding for the period. Earnings per Common Share - Diluted earnings is calculated by dividing net income (loss) by the diluted weighted average number of common shares. The diluted weighted average number of common shares is computed using the treasury stock method for common stock that may As of March 31, 2021 and 2020 , there were outstanding stock options, unvested restricted stock awards and warrants to acquire an aggregate of 1,383,489 and 247,048 shares of Company common stock, respectively, which have a potentially dilutive impact on earnings per share. As of March 31, 2021 and 2020, no March 31 , 2021 and 2020, not not three March 31, 2021 2020.
Income Tax, Policy [Policy Text Block]	Income Taxes The Company recognizes deferred tax liabilities and assets based on the differences between the tax basis of assets and liabilities and their reported amounts in the consolidated financial statements that will result in taxable or deductible amounts in future years. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect of a change in tax rates on deferred tax assets and liabilities will be recognized in income in the period that includes the enactment date. A deferred tax asset or liability that is not not The Company accounts for any uncertainty in income taxes by recognizing the tax benefit from an uncertain tax position only if, in the Company's opinion, it is more likely than not 50% may not Interest and penalties associated with tax positions are recorded in the period assessed as Other expense. The Company files income tax returns in the United States and in the states in which it conducts its business operations. The Company 's United States federal income tax filings for tax years 2017 2020 2016 2020.
Fair Value of Financial Instruments, Policy [Policy Text Block]	Fair Value The Company follows authoritative guidance that applies to all financial assets and liabilities required to be measured and reported on a fair value basis. The Company also applies the guidance to non-financial assets and liabilities measured at fair value on a nonrecurring basis, including non-competition agreements and goodwill. The guidance defines fair value as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The guidance establishes a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs that market participants would use in pricing the asset or liability developed based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that reflect the Company's assumptions of what market participants would use in pricing the asset or liability based on the best information available in the circumstances. Beginning in 2017 not three 31, 2021 The hierarchy is broken down into three Level 1: Quoted prices are available in active markets for identical assets or liabilities; Level 2: Quoted prices in active markets for similar assets and liabilities that are observable for the asset or liability; or Level 3: Unobservable pricing inputs that are generally less observable from objective sources, such as discounted cash flow models or valuations.
Share-based Payment Arrangement [Policy Text Block]	Stock-based Compensation Stock-based compensation cost is measured at the date of grant, based on the calculated fair value of the award as described below, and is recognized over the requisite service period, which is generally the vesting period of the equity grant. The Company uses the Black-Scholes pricing model as a method for determining the estimated grant date fair value for all stock options awarded to employees, independent contractors, officers, and directors. The expected term of the options is based upon evaluation of historical and expected exercise behavior. The risk-free interest rate is based upon U.S. Treasury rates at the date of grant with maturity dates approximately equal to the expected life of the grant. Volatility is determined upon historical volatility of our stock and adjusted if future volatility is expected to vary from historical experience. The dividend yield is assumed to be none not The Company uses a Lattice model to determine the fair value of certain warrants. The expected term used was the remaining contractual term. Expected volatility is based upon historical volatility over a term consistent with the remaining term. The risk-free interest rate is derived from the yield on zero The Company used the market-value of Company stock to determine the fair value of the performance-based restricted stock awarded in 2018 2019. 2021 2020.
Use of Estimates, Policy [Policy Text Block]	Management Estimates The preparation of the Company's consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates include the realization of accounts receivable, evaluation of impairment of long-lived assets, stock-based compensation expense, income tax provision and the valuation of deferred taxes. Actual results could differ from those estimates.
Reclassification, Comparability Adjustment [Policy Text Block]	Reclassifications Certain prior-period amounts have been reclassified for comparative purposes to conform to the current presentation. These reclassifications have no
New Accounting Pronouncements, Policy [Policy Text Block]	Accounting Pronouncements In June 2016, 2016 13, 326 December 15, 2022. not 2016 13 In December 2019, 2019 12, 740 740, not December 15, 2020. 2019 12 January 1, 2021, not

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Current Ownership Hierarchy [Table Text Block]	Name State of Formation Ownership Business Heat Waves Hot Oil Service LLC Colorado 100% by Enservco Oil and natural gas well services, including logistics and stimulation. Adler Hot Oil Service, LLC Delaware 100% by Enservco Operations integrated into Heat Waves during 2019. Heat Waves Water Management LLC Colorado 100% by Enservco Discontinued operations in 2019 Dillco Fluid Service, Inc Kansas 100% by Enservco Discontinued operation in 2018 HE Services LLC Nevada 100% by Heat Waves No active business operations. Owned construction equipment used by Heat Waves. HE Services LLC was dissolved on December 23, 2020.

Note 2 - Restatement of Previ_2

Note 2 - Restatement of Previously Issued Financial Statements (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]	March 31, 2021 As Previously Reported Adjustments As Restated Condensed Consolidated Balance Sheet (unaudited) Additional paid-in capital $ 40,456 $ 304 $ 40,760 Accumulated deficit (29,702 ) (304 ) (30,006 ) For the Three Months Ended March 31, 2021 As Previously Reported Adjustments As Restated Condensed Consolidated Statement of Operations (unaudited) Other (expense) income $ 226 $ (304 ) $ (78 ) Total other expense 193 (304 ) (111 ) Loss from continuing operations before taxes (2,165 ) (304 ) (2,469 ) Loss from continuing operations (2,165 ) (304 ) (2,469 ) Net loss (2,173 ) (304 ) (2,477 ) Loss from continuing operations per common share - basic and diluted (0.24 ) (0.03 ) (0.27 ) Net loss per share - basic and diluted (0.24 ) (0.03 ) (0.27 ) Additional Paid-in Capital Accumulated Deficit Total Stockholders' Equity Consolidated Statement of Stockholders' Equity (Deficit) (unaudited) As Previously Reported: Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount $ 1,246 $ - $ 1,249 Net loss - (2,173 ) (2,173 ) Balance at March 31, 2021 40,456 (29,702 ) 10,811 Adjustments: Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount $ 304 $ - $ 304 Net loss - (304 ) (304 ) Balance at March 31, 2021 304 (304 ) - As Restated: Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount $ 1,550 $ - $ 1,553 Net loss - (2,477 ) (2,477 ) Balance at March 31, 2021 40,760 (30,006 ) 10,811 For the Three Months Ended March 31, 2021 As Previously Reported Adjustments As Restated Condensed Consolidated Statement of Cash Flows (unaudited) OPERATING ACTIVITIES Net loss $ (2,173 ) $ (304 ) $ (2,477 ) Net loss from continuing operations (2,165 ) (304 ) (2,469 ) Fair value of warrant issued upon conversion of subordinated debt to equity - 304 304

Note 4 - Property and Equipme_2

Note 4 - Property and Equipment (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Property, Plant and Equipment [Table Text Block]	March 31, December 31, 2021 2020 Trucks and vehicles $ 57,090 $ 57,224 Other equipment 1,324 1,319 Buildings and improvements 3,176 3,176 Land 378 378 Total property and equipment 61,968 62,097 Accumulated depreciation (42,933 ) (41,780 ) Property and equipment, net $ 19,035 $ 20,317

Note 5 - Intangible Assets (Tab

Note 5 - Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Finite-Lived Intangible Assets [Table Text Block]	March 31, 2021 December 31, 2020 Customer relationships $ 626 $ 626 Patents and trademarks 441 441 Total intangible assets 1,067 1,067 Accumulated amortization (504 ) (450 ) Net carrying value $ 563 $ 617
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	2022 2023 2024 2025 2026 Customer relationships $ 125 $ 125 $ 73 $ - $ - Patents and trademarks 93 93 54 - - Total intangible asset amortization expense $ 218 $ 218 $ 127 $ - $ -

Note 6 - Discontinued Operati_2

Note 6 - Discontinued Operations (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Disposal Groups, Including Discontinued Operations [Table Text Block]	March 31, December 31, 2021 2020 Carrying amount of major classes of assets included as part of discontinued operations: Property and equipment, net 321 321 Other assets 26 32 Total major classes of assets of the discontinued operation $ 347 $ 353 Carrying amounts of major classes of liabilities included as part of discontinued operations: Accounts payable and accrued liabilities 6 6 Other liabilities 27 34 Total liabilities included as part of discontinued operations $ 33 $ 40 Three Months Ended March 31, 2021 2020 Revenue $ - $ - Cost of sales (1 ) - Sales, general, and administrative expenses - - Depreciation and amortization (6 ) (6 ) Other expense items that are not major (1 ) (12 ) Pretax loss of discontinued operations related to major classes of pretax profit (8 ) (18 ) Gain on disposal - 54 Total (loss) income on discontinued operations that is presented in the Statements of Operations $ (8 ) $ 36

Note 7 - Debt (Tables)

Note 7 - Debt (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Long-term Debt Instruments [Table Text Block]	March 31, December 31, 2021 2020 Senior Revolving Credit Facility with related party. All future interest through October 15, 2021 accrued to loan pursuant to the Fifth Amendment. Interest at 8.25%, 5.25% is paid monthly while 3% is accrued and paid upon maturity. Matures October 15, 2022. $ 15,168 $ 19,078 Paycheck Protection Loan. Interest is at 1% with payments deferred until October 10, 2020. Matures April 10, 2022. 1,940 1,940 Subordinated Promissory Note with related party. Interest is at 10% and is paid quarterly. Matures June 28, 2022. See Note 3 - Summary of Significant Accounting Policies and Recent Developments for discussion of conversion of debt balance. - 1,250 Real Estate Loan for a facility in North Dakota, interest at 5.75%, and monthly principal and interest payment of $5,255 until October 3, 2023. Collateralized by land and property purchased with the loan. 153 167 Vehicle loans for three pickups, interest at 8.59% monthly principal and interest payments of $3,966, matures in August 2021. 20 31 Note payable to the seller of Heat Waves. The note was garnished by the Internal Revenue Service (“IRS”) in 2009 and is due on demand; paid in annual installments of $36,000 per agreement with the IRS 14 14 Total 17,295 22,480 Less debt discount - (70 ) Less current portion (1,407 ) (1,693 ) Long-term debt, net of debt discount and current portion $ 15,888 $ 20,717
Schedule of Maturities of Long-term Debt [Table Text Block]	Twelve Months Ending March 31, 2022 824 2023 16,432 2024 39 Thereafter - Total $ 17,295

Note 9 - Commitments and Cont_2

Note 9 - Commitments and Contingencies (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	Twelve Months Ending March 31, Operating Leases Finance Leases 2022 $ 948 $ 99 2023 709 20 2024 645 14 2025 399 6 2026 356 - Thereafter 90 - Total future lease commitments 3,147 139 Impact of discounting (314 ) (35 ) Discounted value of lease obligations $ 2,833 $ 104
Lease, Cost [Table Text Block]	Three Months Ended March 31, 2021 2020 Operating lease expense: Current lease cost $ 14 $ 291 Long-term lease cost 257 20 Total operating lease cost $ 271 $ 311 Finance lease expense: Amortization of right-of-use assets $ 25 $ 58 Interest on lease liabilities 16 7 Total lease cost $ 41 $ 65 Three Month Ended March 31, 2021 2020 Operating Weighted-average lease term (years) 3.90 4.35 Weighted-average discount rate 6.08 % 6.08 % Finance Weighted-average lease term (years) 1.91 1.91 Weighted-average discount rate 5.92 % 6.10 %

Note 10 - Stockholders' Equity

Note 10 - Stockholders' Equity (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]	Weighted Weighted Average Average Remaining Exercise Contractual Warrants Shares Price Life (Years) Outstanding at December 31, 2020 1,043,667 $ 3.73 4.7 Issued 150,418 2.51 4.9 Outstanding at March 31, 2021 1,194,085 $ 3.58 4.5 Exercisable at March 31, 2021 43,667 $ 3.34 3.5

Note 11 - Stock Options and R_2

Note 11 - Stock Options and Restricted Stock (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Shares Weighted Average Exercise Price Weighted Average Remaining Contractual Term (Years) Outstanding at December 31 , 2020 11,569 $ 5.87 0.53 Forfeited or Expired (6,667 ) 5.55 - Outstanding at March 31 , 2021 4,902 $ 6.31 0.94 Vested at March 31, 2021 4,902 $ 6.31 0.94 Exercisable at March 31, 2021 4,902 $ 6.31 0.94
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]	Number of Shares Weighted-Average Grant- Date Fair Value Restricted shares at December 31, 2020 24,393 $ 7.32 Granted 165,000 1.05 Vested (3,667 ) 7.05 Forfeited (1,223 ) 9.99 Restricted shares at March 31, 2021 184,503 $ 1.70
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]	Three Months Ended March 31, 2021 2020 Stock options 6,235 118,143 Restricted stock 170,338 112,531 Warrants 1,123,890 43,667 Weighted average 1,300,463 274,341

Note 12 - Segment Reporting (Ta

Note 12 - Segment Reporting (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Production Services Completion and Other Services Unallocated Total Three Months Ended March 31, 2021: Revenues $ 1,844 $ 3,299 $ - $ 5,143 Cost of Revenue 1,967 3,142 - 5,109 Segment (Loss) Profit $ (123 ) $ 157 $ - $ 34 Depreciation and $ 528 $ 712 $ 96 $ 1,336 Capital Expenditures $ 19 $ 26 $ - $ 45 Identifiable assets (1) $ 10,842 $ 14,636 $ 829 $ 26,307 Three Months Ended March 31, 2020: Revenues $ 3,202 $ 6,184 $ - $ 9,386 Cost of Revenue 3,494 4,971 $ 8,465 Segment (Loss) Profit $ (292 ) $ 1,213 $ $ 921 Depreciation and $ 671 $ 647 $ 78 $ 1,396 Capital Expenditures $ 83 $ 81 $ - $ 164 Identifiable assets (1) $ 17,662 $ 17,033 $ 1,278 $ 35,973
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]	Three Months Ended March 31, 2021 2020 Segment profit $ 34 $ 921 Sales, general, and administrative expenses (1,005 ) (1,762) Loss on disposals of equipment (51 ) (15 ) Depreciation and amortization (1,336 ) (1,396 ) Loss from operations $ (2,358 ) $ (2,252 )
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]	Three Months Ended March 31, 2021 2020 BY GEOGRAPHY Production Services: Rocky Mountain Region (1) $ 444 $ 1,193 Central USA Region (2) 1,240 1,873 Eastern USA Region (3) 160 136 Total Production Services 1,844 3,202 Completion and Other Services: Rocky Mountain Region (1) 1,952 5,006 Central USA Region (2) - 110 Eastern USA Region (3) 1,347 1,068 Total Completion and Other Services 3,299 6,184 Total Revenues $ 5,143 $ 9,386

Note 1 - Basis of Presentatio_2

Note 1 - Basis of Presentation - Current Ownership Hierarchy (Details)	3 Months Ended
	Mar. 31, 2021
Heat Waves Hot Oil Service LLC at Colorado [Member]
Subsidiary or Equity Method Investee	100.00%
Adler Hot Oil Service, LLC [Member]
Subsidiary or Equity Method Investee	100.00%
Heat Waves Water Management LLC at Colorado [Member]
Subsidiary or Equity Method Investee	100.00%
Dillco Fluid Service, Inc. at Kansas [Member]
Subsidiary or Equity Method Investee	100.00%
HE Services LLC at Nevada [Member]
Subsidiary or Equity Method Investee	100.00%

Note 2 - Restatement of Previ_3

Note 2 - Restatement of Previously Issued Financial Statements (Details Textual) - USD ($)	Feb. 03, 2021	Aug. 13, 2020	Mar. 31, 2021	Dec. 31, 2019
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 3.58	$ 3.73
Warrant Issued in connection with Conversion of Subordinated Debt [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)	150,418
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 2.507
Warrants and Rights Outstanding, Term (Year)	5 years
Class of Warrant or Right, Loss Equal to the Warrant Fair Value at the Date of Issuance	$ 304,000
Conversion from Subordinated Promissory Note to Common Stock [Member]
Debt Conversion, Converted Instrument, Amount	1,250,000	$ 1,250,000
Debt Conversion, Accrued Interest, Amount	$ 62,000	$ 265,000
Debt Conversion, Converted Instrument, Shares Issued (in shares)	601,674	403,602
Debt Instrument, Convertible, Conversion Price (in dollars per share)	$ 2.18

Note 2 - Restatement of Previ_4

Note 2 - Restatement of Previously Issued Financial Statements - Restatement of Previously Issued Financial Statements (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Additional paid-in capital	$ 40,760		$ 30,052
Accumulated deficit	(30,006)		(27,529)
Other (expense) income	(78)	$ 20
Total other expense	(111)	(621)
Loss from continuing operations before taxes	(2,469)	(2,873)
Loss from continuing operations	(2,469)	(2,873)
Net loss	$ (2,477)	$ (2,837)
Loss from continuing operations per common share - basic and diluted (in dollars per share)	$ (0.27)	$ (0.78)
Net loss per share - basic and diluted (in dollars per share)	$ (0.27)	$ (0.77)
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount	$ 1,553
Balance	10,811	$ (5,474)	2,555	$ (2,676)
OPERATING ACTIVITIES
Net loss	(2,477)	(2,837)
Loss from continuing operations	(2,469)	(2,873)
Fair value of warrant issued upon conversion of subordinated debt to equity	304
Additional Paid-in Capital [Member]
Net loss
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount	1,550
Balance	40,760	22,364	30,052	22,325
OPERATING ACTIVITIES
Net loss
Retained Earnings [Member]
Net loss	(2,477)	(2,837)
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount
Balance	(30,006)	(2,837)	$ (27,529)	$ (25,020)
OPERATING ACTIVITIES
Net loss	(2,477)	$ (2,837)
Previously Reported [Member]
Additional paid-in capital	40,456
Accumulated deficit	(29,702)
Other (expense) income	226
Total other expense	193
Loss from continuing operations before taxes	(2,165)
Loss from continuing operations	(2,165)
Net loss	$ (2,173)
Loss from continuing operations per common share - basic and diluted (in dollars per share)	$ (0.24)
Net loss per share - basic and diluted (in dollars per share)	$ (0.24)
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount	$ 1,249
Balance	10,811
OPERATING ACTIVITIES
Net loss	(2,173)
Loss from continuing operations	(2,165)
Fair value of warrant issued upon conversion of subordinated debt to equity
Previously Reported [Member] | Additional Paid-in Capital [Member]
Net loss
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount	1,246
Balance	40,456
OPERATING ACTIVITIES
Net loss
Previously Reported [Member] | Retained Earnings [Member]
Net loss	(2,173)
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount
Balance	(29,702)
OPERATING ACTIVITIES
Net loss	(2,173)
Revision of Prior Period, Adjustment [Member]
Additional paid-in capital	304
Accumulated deficit	(304)
Other (expense) income	(304)
Total other expense	(304)
Loss from continuing operations before taxes	(304)
Loss from continuing operations	(304)
Net loss	$ (304)
Loss from continuing operations per common share - basic and diluted (in dollars per share)	$ (0.03)
Net loss per share - basic and diluted (in dollars per share)	$ (0.03)
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount	$ 304
Balance
OPERATING ACTIVITIES
Net loss	(304)
Loss from continuing operations	(304)
Fair value of warrant issued upon conversion of subordinated debt to equity	304
Revision of Prior Period, Adjustment [Member] | Additional Paid-in Capital [Member]
Net loss
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount	304
Balance	304
OPERATING ACTIVITIES
Net loss
Revision of Prior Period, Adjustment [Member] | Retained Earnings [Member]
Net loss	(304)
Shares and warrant issued to Cross River Partners, L.P. in subordinated debt and accrued interest conversion, net of discount
Balance	(304)
OPERATING ACTIVITIES
Net loss	$ (304)

Note 3 - Summary of Significa_2

Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	Apr. 26, 2021	Feb. 10, 2021	Feb. 03, 2021	Sep. 29, 2020	Sep. 23, 2020	Aug. 13, 2020	Aug. 10, 2017	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)								$ 3.58			$ 3.73
Stock Issued During Period, Value, New Issues								$ 8,845,000
Accounts Receivable, Allowance for Credit Loss, Current								359,000		$ 322,000
Accounts Receivable, Credit Loss Expense (Reversal)								38,000	$ 300,000
Inventory Write-down								0	0
Interest Costs Capitalized								0	0
Impairment of Long-Lived Assets Held-for-use								0
Impairment of Long-Lived Assets to be Disposed of								0
Goodwill and Intangible Asset Impairment, Total								$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options and Warrants, Outstanding, Number (in shares)								1,383,489	247,048
Share-based Compensation Arrangement by Share-based Payment Award, Options and Warrants, Outstanding, Aggregate Intrinsic Value										$ 0
Payments of Dividends, Total								$ 0
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year								2017 2018 2019 2020
State and Local Jurisdiction [Member]
Open Tax Year								2016 2017 2018 2019 2020
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)								5 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)								30 years
At-the-market Offering [Member]
Stock Issued During Period, Shares, New Issues (in shares)				1,694,219
Stock Issued During Period, Value, New Issues				$ 3,500,000
Second Public Offering [Member]
Stock Issued During Period, Shares, New Issues (in shares)		4,199,998
Shares Issued, Price Per Share (in dollars per share)		$ 2.30
Proceeds from Issuance of Common Stock		$ 8,800,000
Warrant Issued in Connection with Amended 2017 Credit Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)					1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)					$ 3.75
Warrants and Rights Outstanding, Term (Year)					5 years
Class of Warrant or Right, Grants in Period, Grant Date Fair Value (in dollars per share)					$ 1.42
Warrant Issued in connection with Conversion of Subordinated Debt [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)			150,418
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 2.507
Warrants and Rights Outstanding, Term (Year)			5 years
Class of Warrant or Right, Grants in Period, Grant Date Fair Value (in dollars per share)			$ 2.02
Fair Value Adjustment of Warrants			$ 304,000
Conversion from 2017 Credit Agreement Loan Concession to Common Stock [Member]
Debt Conversion, Forgiven Debt, Amount					$ 16,000,000
Debt Conversion, Converted Instrument, Shares Issued (in shares)					533,334
Debt Conversion, Converted Instrument, Amount					$ 1,100,000
Shares Issued, Price Per Share (in dollars per share)					$ 2.0775
Conversion from Subordinated Promissory Note to Common Stock [Member]
Debt Conversion, Converted Instrument, Shares Issued (in shares)			601,674			403,602
Debt Conversion, Original Debt, Percentage of Total Debt						50.00%
Debt Conversion, Converted Instrument, Amount			$ 1,250,000			$ 1,250,000
Debt Conversion, Accrued Interest, Amount			$ 62,000			$ 265,000
Debt Instrument, Convertible, Conversion Price (in dollars per share)			$ 2.18
The 2017 Credit Agreement [Member] | East West Bank [Member] | Revolving Credit Facility [Member]
Debt Instrument, Term (Year)							3 years
Line of Credit Facility, Maximum Borrowing Capacity					$ 1,000,000		$ 37,000,000
Repayments of Lines of Credit		$ 3,000,000
The 2017 Credit Agreement [Member] | East West Bank [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]
Debt Instrument, Term (Year)	10 years

Note 4 - Property and Equipme_3

Note 4 - Property and Equipment (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Depreciation, Total	$ 1.3	$ 1.4

Note 4 - Property and Equipme_4

Note 4 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property and equipment, gross	$ 61,968	$ 62,097
Accumulated depreciation	(42,933)	(41,780)
Property and equipment, net	19,035	20,317
Vehicles [Member]
Property and equipment, gross	57,090	57,224
Property, Plant and Equipment, Other Types [Member]
Property and equipment, gross	1,324	1,319
Building and Building Improvements [Member]
Property and equipment, gross	3,176	3,176
Land [Member]
Property and equipment, gross	$ 378	$ 378

Note 5 - Intangible Assets (Det

Note 5 - Intangible Assets (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Finite-Lived Intangible Asset, Useful Life (Year)	5 years
Amortization of Intangible Assets, Total	$ 54,000	$ 51,000

Note 5 - Intangible Assets - Co

Note 5 - Intangible Assets - Components of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Intangible assets, gross	$ 1,067	$ 1,067
Accumulated amortization	(504)	(450)
Net carrying value	563	617
Customer Relationships [Member]
Intangible assets, gross	626	626
Intellectual Property [Member]
Intangible assets, gross	$ 441	$ 441

Note 5 - Intangible Assets - Ex

Note 5 - Intangible Assets - Expected Future Amortization Expense (Details) $ in Thousands	Mar. 31, 2021USD ($)
Expected amortization expense, 2022	$ 218
Expected amortization expense, 2023	218
Expected amortization expense, 2024	127
Expected amortization expense, 2025
Expected amortization expense, 2026
Customer Relationships [Member]
Expected amortization expense, 2022	125
Expected amortization expense, 2023	125
Expected amortization expense, 2024	73
Expected amortization expense, 2025
Expected amortization expense, 2026
Patents and Trademarks [Member]
Expected amortization expense, 2022	93
Expected amortization expense, 2023	93
Expected amortization expense, 2024	54
Expected amortization expense, 2025
Expected amortization expense, 2026

Note 6 - Discontinued Operati_3

Note 6 - Discontinued Operations - Information by Major Classes of Line Items Disclosed as Discontinued Operations in the Consolidated Statements (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Total (loss) income on discontinued operations that is presented in the Statements of Operations	$ (8)	$ 36
Dillco Fluid Service, Inc [Member]
Property and equipment, net	321		$ 321
Other assets	26		32
Total major classes of assets of the discontinued operation	347		353
Accounts payable and accrued liabilities	6		6
Other liabilities	27		34
Total liabilities included as part of discontinued operations	33		$ 40
Revenue
Cost of sales	(1)
Sales, general, and administrative expenses
Depreciation and amortization	(6)	(6)
Other expense items that are not major	(1)	(12)
Pretax loss of discontinued operations related to major classes of pretax profit	(8)	(18)
Gain on disposal		54
Total (loss) income on discontinued operations that is presented in the Statements of Operations	$ (8)	$ 36

Note 7 - Debt (Details Textual)

Note 7 - Debt (Details Textual) - USD ($)	Feb. 11, 2021	Sep. 23, 2020	Sep. 30, 2020	Mar. 31, 2020	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Aug. 10, 2017
Long-term Debt, Total					$ 17,295,000	$ 22,480,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)					$ 3.58		$ 3.73
Interest Expense [Member]
Amortization of Debt Issuance Costs				$ 35,000
Other Assets [Member]
Unamortized Debt Issuance Expense					$ 0	$ 0
Warrant Issued in Connection with Amended 2017 Credit Agreement [Member]
Warrants and Rights Outstanding, Term (Year)		5 years
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)		1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)		$ 3.75
Warrants and Rights Outstanding		$ 1,400,000
Conversion from 2017 Credit Agreement Loan Concession to Common Stock [Member]
Debt Conversion, Converted Instrument, Shares Issued (in shares)		533,334
Shares Issued, Price Per Share (in dollars per share)		$ 2.0775
Debt Conversion, Converted Instrument, Amount		$ 1,100,000
Revolving Credit Facility [Member]
Debt Instrument, Interest Rate, Stated Percentage					8.25%	8.25%
Debt Instrument, Interest Rate, Calculated Monthly and Paid in Arrears					5.25%	5.25%
Debt Instrument, Interest Rate, Accrued on Principal Balance					3.00%	3.00%
Long-term Debt, Total					$ 15,168,000	$ 19,078,000
The 2017 Credit Agreement [Member] | East West Bank [Member]
Debt Instrument, Interest Rate, Stated Percentage		8.25%
Debt Instrument, Interest Rate, Calculated Monthly and Paid in Arrears		5.25%
Debt Instrument, Interest Rate, Accrued on Principal Balance		3.00%
Debt Instrument, Covenant, Minimum Liquidity						$ 1,500,000
Debt Instrument, Covenant, Percentage of Projected Gross Revenue Achieved		70.00%
Debt Instrument, Covenant, Maximum Capital Expenditures		$ 1,200,000
Gains (Losses) on Restructuring of Debt			$ 11,900,000
The 2017 Credit Agreement [Member] | East West Bank [Member] | Equipment Term Loan [Member]
Debt Instrument, Face Amount		17,000,000
Repayments of Long-term Debt, Total	$ 3,000,000
Long-term Debt, Total					$ 15,200,000
Debt, Weighted Average Interest Rate					8.25%
Long-term Debt, Gross					$ 15,200,000
Interest Payable					1,200,000
The 2017 Credit Agreement [Member] | East West Bank [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity, Percent of Eligible Receivables								85.00%
Line of Credit Facility, Maximum Borrowing Capacity, Percentage of Trucks and Equipment								85.00%
Line of Credit Facility, Decrease, Forgiveness		16,000,000
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,000,000						$ 37,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.50%
Line of Credit Facility, Remaining Borrowing Capacity					$ 1,000,000

Note 7 - Debt - Summary of Long

Note 7 - Debt - Summary of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Long-term debt	$ 17,295	$ 22,480
Less debt discount		(70)
Less current portion	(1,407)	(1,693)
Long-term debt, net of debt discount and current portion	15,888	20,717
Unsecured Debt [Member]
Long-term debt	1,940	1,940
Subordinated Debt [Member] | Subordinated Promissory Note 1 [Member]
Long-term debt		1,250
Real Estate Loan 1 [Member]
Long-term debt	153	167
Vehicle Loans for Trucks [Member]
Long-term debt	20	31
Note Payable To Seller Of Heat Waves [Member]
Long-term debt	14	14
Revolving Credit Facility [Member]
Long-term debt	$ 15,168	$ 19,078

Note 7 - Debt - Summary of Lo_2

Note 7 - Debt - Summary of Long-term Debt (Details) (Parentheticals) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Unsecured Debt [Member]
Interest rate	1.00%	1.00%
Maturity date	Apr. 10, 2022	Apr. 10, 2022
Real Estate Loan 1 [Member]
Interest rate	5.75%	5.75%
Periodic principal and interest payment	$ 5,255	$ 5,255
Vehicle Loans for Trucks [Member]
Periodic principal and interest payment	$ 3,966	$ 3,966
Interest rate	8.59%	8.59%
Note Payable To Seller Of Heat Waves [Member]
Periodic principal and interest payment	$ 36,000	$ 36,000
Revolving Credit Facility [Member]
Interest rate, payable monthly	5.25%	5.25%
Interest rate, accrued	3.00%	3.00%
Interest rate	8.25%	8.25%
Maturity date	Oct. 15, 2022	Oct. 15, 2022

Note 7 - Debt - Summary of Matu

Note 7 - Debt - Summary of Maturities of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
2022	$ 824
2023	16,432
2024	39
Thereafter
Total	$ 17,295	$ 22,480

Note 8 - Income Taxes (Details

Note 8 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount, Total	$ (0.5)	$ (0.7)

Note 9 - Commitments and Cont_3

Note 9 - Commitments and Contingencies (Details Textual) - USD ($)	1 Months Ended	39 Months Ended
	Jun. 30, 2015	Mar. 31, 2021	Dec. 31, 2020
Self-insured Amount per Individual Claim	$ 50,000
Self-insured, Maximum Coverage Policy	$ 1,800,000
Self Insurance Reserve		$ 108,000	$ 150,000
Workers' Compensation, Maximum Coverage Policy		1,800,000
Workers' Compensation, Accumulated Payments on Claims		1,800,000
Workers' Compensation, Estimated Accruals		1,600,000
Other Noncurrent Assets [Member]
Worker's Compensation, Prepaid Amount		$ 189,000

Note 9 - Commitments and Cont_4

Note 9 - Commitments and Contingencies - Future Minimum Lease Commitments (Details) $ in Thousands	Mar. 31, 2021USD ($)
2022, operating leases	$ 948
2022, finance leases	99
2023, operating leases	709
2023, finance leases	20
2024, operating leases	645
2024, finance leases	14
2025, operating leases	399
2025, finance leases	6
2026, operating leases	356
2026, finance leases
Thereafter, operating leases	90
Thereafter, finance leases
Total future lease commitments, operating leases	3,147
Total future lease commitments, finance leases	139
Impact of discounting, operating leases	(314)
Impact of discounting, finance leases	(35)
Discounted value of lease obligations, operating leases	2,833
Discounted value of lease obligations, finance leases	$ 104

Note 9 - Commitments and Cont_5

Note 9 - Commitments and Contingencies - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Current lease cost	$ 14	$ 291
Long-term lease cost	257	20
Total operating lease cost	271	311
Amortization of right-of-use assets	25	58
Interest on lease liabilities	16	7
Total lease cost	$ 41	$ 65
Weighted-average lease term (years), operating (Year)	3 years 328 days	4 years 127 days
Weighted-average discount rate, operating	6.08%	6.08%
Weighted-average lease term (years), financing (Year)	1 year 332 days	1 year 332 days
Weighted-average discount rate, financing	5.92%	6.10%

Note 10 - Stockholders' Equit_2

Note 10 - Stockholders' Equity (Details Textual) - $ / shares	Feb. 11, 2021	Sep. 23, 2020	Nov. 11, 2019	Jun. 21, 2017	Dec. 21, 2016	Jun. 30, 2016	Mar. 31, 2021	Dec. 31, 2019
Class of Warrant or Right, Issued During Period (in shares)							150,418
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)							$ 3.58	$ 3.73
Warrants Issued in June 2016 [Member]
Class of Warrant or Right, Issued During Period (in shares)						2,000
Class of Warrant or Right, Grants in Period, Grant Date Fair Value (in dollars per share)						$ 5.40
Class of Warrants or Rights, Vesting Period (Year)						1 year
Class of Warrants or Rights, Vested During the Period (in shares)				1,000	1,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)							$ 10.50
Warrant In Connection With Amended Subordinated Loan [Member]
Class of Warrant or Right, Issued During Period (in shares)			1
Class of Warrant or Right, Grants in Period, Grant Date Fair Value (in dollars per share)			$ 2.40
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 3
Warrants and Rights Outstanding, Term (Year)			5 years
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)			41,667
Warrant Issued in Connection with Amended 2017 Credit Agreement [Member]
Class of Warrant or Right, Issued During Period (in shares)		1
Class of Warrant or Right, Grants in Period, Grant Date Fair Value (in dollars per share)		$ 1.42
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)		$ 3.75
Warrants and Rights Outstanding, Term (Year)		5 years
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)		1,000,000
Class of Warrant or Right, Period Following Issuance at which Warrants are Exercisable (Year)		1 year
Warrants Issued in Connection With the Conversion of Subordinated Loan Agreement to Common Stock [Member]
Class of Warrant or Right, Issued During Period (in shares)	1
Class of Warrant or Right, Grants in Period, Grant Date Fair Value (in dollars per share)	$ 2.02
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 2.507
Warrants and Rights Outstanding, Term (Year)	5 years
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)	150,418
Class of Warrant or Right, Period Following Issuance at which Warrants are Exercisable (Year)	1 year

Note 10 - Stockholders' Equit_3

Note 10 - Stockholders' Equity - Summary of Warrant Activity (Details) - $ / shares	3 Months Ended	12 Months Ended	15 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2021
Outstanding (in shares)		1,043,667	1,043,667
Outstanding, weighted average exercise price (in dollars per share)		$ 3.73	$ 3.73
Outstanding, weighted average remaining contractual life (Year)	4 years 182 days	4 years 255 days
Issued (in shares)			150,418
Issued, weighted average exercise price (in dollars per share)			$ 2.51
Issued, weighted average remaining contractual life (Year)	4 years 328 days
Outstanding (in shares)	1,194,085		1,194,085
Outstanding, weighted average exercise price (in dollars per share)	$ 3.58		$ 3.58
Exercisable (in shares)	43,667		43,667
Exercisable, weighted average exercise price (in dollars per share)	$ 3.34		$ 3.34
Exercisable, weighted average remaining contractual life (Year)	3 years 182 days

Note 11 - Stock Options and R_3

Note 11 - Stock Options and Restricted Stock (Details Textual) - USD ($)	Jan. 04, 2021	Jan. 01, 2016	Jul. 27, 2010	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Jul. 18, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)				4,902			11,569
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)				0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)				0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value				$ 0
Share-based Payment Arrangement, Nonemployee [Member]
Stock Issued During Period, Value, Issued for Services	$ 311,000
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent						$ 221,000
Stock Issued During Period, Shares, Issued for Services (in shares)				118,184
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total				$ 0
Share-based Payment Arrangement, Option [Member] | Selling, General and Administrative Expenses [Member]
Share-based Payment Arrangement, Expense				$ 0	$ 2,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)				165,000
Restricted Stock [Member] | Share-based Payment Arrangement, Nonemployee [Member]
Share-based Payment Arrangement, Expense				$ 23,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)				48,129
Restricted Stock [Member] | Selling, General and Administrative Expenses [Member]
Share-based Payment Arrangement, Expense				$ 24,000	$ 36,000
Option Plan 2010 Member
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum			15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)		381,272		0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)		2,541,809		1,079
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)		5 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)								159,448
Option Plan 2010 Member | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		1 year
Option Plan 2010 Member | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		3 years
The 2016 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)				3,823				692,782
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)				184,503
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)								533,334

Note 11 - Stock Options and R_4

Note 11 - Stock Options and Restricted Stock - Summary of Stock Option Activity (Details) - $ / shares	3 Months Ended	12 Months Ended	15 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2021
Outstanding (in shares)		11,569	11,569
Outstanding, weighted average exercise price (in dollars per share)	$ 5.87
Outstanding, weighted average remaining contractual life (Year)	343 days	193 days
Forfeited or Expired (in shares)			(6,667)
Forfeited or Expired, weighted average exercise price (in dollars per share)	$ 5.55
Outstanding (in shares)	4,902		4,902
Outstanding, weighted average exercise price (in dollars per share)	$ 6.31	$ 5.87	$ 6.31
Vested (in shares)	4,902		4,902
Vested, weighted average exercise price (in dollars per share)	$ 6.31		$ 6.31
Vested, weighted average remaining contractual life (Year)	343 days
Exercisable (in shares)	4,902		4,902
Exercisable, weighted average exercise price (in dollars per share)	$ 6.31		$ 6.31
Exercisable, weighted average remaining contractual life (Year)	343 days

Note 11 - Stock Options and R_5

Note 11 - Stock Options and Restricted Stock - Summary of Restricted Stock Options (Details) - Restricted Stock [Member]	3 Months Ended
	Mar. 31, 2021$ / sharesshares
Balance, Restricted shares (in shares) | shares	24,393
Balance, Restricted shares, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 7.32
Granted, Restricted shares (in shares) | shares	165,000
Granted, Restricted shares, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 1.05
Vested, Restricted shares (in shares) | shares	(3,667)
Vested, Restricted shares, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 7.05
Forfeited, Restricted shares (in shares) | shares	(1,223)
Forfeited, Restricted shares, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 9.99
Balance, Restricted shares (in shares) | shares	184,503
Balance, Restricted shares, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 1.70

Note 11 - Stock Options and R_6

Note 11 - Stock Options and Restricted Stock - Potentially Dilutive Instruments (Details) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Potentially dilutive instruments (in shares)	1,300,463	274,341
Share-based Payment Arrangement, Option [Member]
Potentially dilutive instruments (in shares)	6,235	118,143
Restricted Stock [Member]
Potentially dilutive instruments (in shares)	170,338	112,531
Warrant [Member]
Potentially dilutive instruments (in shares)	1,123,890	43,667

Note 12 - Segment Reporting - R

Note 12 - Segment Reporting - Reportable Segments (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenues		$ 5,143	$ 9,386
Cost of Revenue		5,109	8,465
Segment (Loss) Profit		34	921
Depreciation and amortization		1,336	1,396
Capital Expenditures		45	164
Identifiable assets	[1]	26,307	35,973
Production Services [Member]
Revenues		1,844	3,202
Cost of Revenue		1,967	3,494
Segment (Loss) Profit		(123)	(292)
Depreciation and amortization		528	671
Capital Expenditures		19	83
Identifiable assets	[1]	10,842	17,662
Completion Services [Member]
Revenues		3,299	6,184
Cost of Revenue		3,142	4,971
Segment (Loss) Profit		157	1,213
Depreciation and amortization		712	647
Capital Expenditures		26	81
Identifiable assets	[1]	14,636	17,033
Unallocated and Other Segments [Member]
Revenues
Cost of Revenue
Segment (Loss) Profit
Depreciation and amortization		96	78
Capital Expenditures
Identifiable assets	[1]	$ 829	$ 1,278
[1]	Identifiable assets is calculated by summing the balances of accounts receivable, net; inventories; property and equipment, net; and other assets.

Note 12 - Segment Reporting - I

Note 12 - Segment Reporting - Income From Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment profit	$ 34	$ 921
Sales, general, and administrative expenses	(1,005)	(1,762)
Loss on disposals of equipment	(51)	(15)
Depreciation and amortization	(1,336)	(1,396)
Loss from operations	$ (2,358)	$ (2,252)

Note 12 - Segment Reporting -_2

Note 12 - Segment Reporting - Revenues by Geography (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenue		$ 5,143	$ 9,386
Production Services [Member]
Revenue		1,844	3,202
Completion Services [Member]
Revenue		3,299	6,184
Rocky Mountain Region [Member] | Production Services [Member]
Revenue	[1]	444	1,193
Rocky Mountain Region [Member] | Completion Services [Member]
Revenue	[1]	1,952	5,006
Central USA Region [Member] | Production Services [Member]
Revenue	[2]	1,240	1,873
Central USA Region [Member] | Completion Services [Member]
Revenue	[2]		110
Eastern USA Region [Member] | Production Services [Member]
Revenue	[3]	160	136
Eastern USA Region [Member] | Completion Services [Member]
Revenue	[3]	$ 1,347	$ 1,068
[1]	Includes the D-J Basin/Niobrara field (northeastern Colorado and southeastern Wyoming), the San Juan Basin (southeastern Colorado and northeastern New Mexico, the Powder River and Green River Basins (northeastern and southwestern Wyoming), the Bakken area (western North Dakota and eastern Montana).
[2]	Includes the Scoop/Stack Shale in Oklahoma and the Eagle Ford Shale in Texas.
[3]	Consists of the southern region of the Marcellus Shale formation (southwestern Pennsylvania and northern West Virginia) and the Utica Shale formation (eastern Ohio).