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Note 6 - Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Year Ended December 31,
		2022				2021				2020
Well construction		$	500,438			$	112,126			$	-
Well management			778,980				713,636				675,026
Total		$	1,279,418			$	825,762			$	675,026

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

		December 31,
		2022				2021
Trade receivable, net		$	289,235			$	236,158
Unbilled receivables (included within accounts receivable, net)		$	139,690			$	94,659
Deferred revenue (included within other liabilities)		$	51,192			$	17,038

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

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- References

No definition available.

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