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Note 7 - Debt (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Debt [Table Text Block]

		June 30, 2020				December 31, 2019
Debt principal		$	100			$	100
End-of-term debt obligation			701				594
Total debt obligation		$	801			$	694

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- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

+ References

No definition available.

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

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- References

No definition available.

+ Details

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