XML 30 R10.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Note 2 - Allowance for Doubtful Accounts	12 Months Ended
	Dec. 31, 2019
Notes to Financial Statements
Allowance for Credit Losses [Text Block]	Note 2 – A llowance for Doubtful Accounts The allowance for doubtful accounts was $0.5 million at December  31, 2019 and $0.7 million at December 31, 2018.

X

- Definition

The entire disclosure for allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-URI http://asc.fasb.org/topic&trid=2196771

+ Details

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

X

- References

No definition available.

+ Details

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