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Note 7 - Leases (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Lease, Cost [Table Text Block]

		Three months ended September 30,								Nine months ended September 30,
		2019				2018				2019				2018
Rent expense		$	147			$	230			$	510			$	703

		Nine months ended September 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$	504
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		$	—

		September 30, 2019
Operating lease right-of-use assets		$	2,547
Current portion of operating lease liabilities, included in accrued liabilities		$	556
Operating lease liabilities, net of current portion			2,129
Total operating lease liabilities			2,685
Weighted average remaining lease term for operating leases (in years)			4.6
Weighted average discount rate for operating leases			6.1	%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Years ending December 31,
2019 (Remainder)		$	178
2020			700
2021			646
2022			595
2023			606
Thereafter			375
Total lease payments			3,100
Less: Imputed interest			(415	)
Total		$	2,685

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

+ Details

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

X

- References

No definition available.

+ Details

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