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Note 3 - Trade Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

		2020				2019
		(in thousands)
Billed		$	68,584			$	57,495
Unbilled			12,629				7,241
Current estimated credit losses			(3,482	)			(2,952	)
Total accounts receivable—net		$	77,731			$	61,784

Financing Receivable, Current, Allowance for Credit Loss [Table Text Block]

		2020				2019				2018
		(in thousands)
Balance—beginning of year		$	2,952			$	2,224			$	1,335
Provision for bad debts			530				728				889
Charge-offs			-				-				-
Recoveries			-				-				-
Balance—end of year		$	3,482			$	2,952			$	2,224

X

- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Tabular disclosure of allowance for credit loss of financing receivable, classified as current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

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