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Note 4 - Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Accounts Receivable, Allowance for Credit Loss [Table Text Block]

		Allowance for Credit Losses
		Three Months Ended March 31, 2020
Allowance - beginning of period		$	486
Provision for expected credit losses			60
Amounts written off against the allowance			(5	)
Allowance - end of period		$	541

X

- Definition

Tabular disclosure of allowance for credit loss on accounts receivable.

+ References

Reference 1: 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

+ Details

Name:	us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration