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Note 2 - Supplemental Balance Sheet Information - Inventory (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Raw materials	$ 126	$ 99
Reseller inventories		1,258
Reserve	(4)	(4)
Inventories, net	$ 122	$ 1,353

X

- Definition

Amount before valuation and LIFO reserves of reseller inventory expected to be sold within one year or operating cycle, if longer.

+ References

No definition available.

+ Details

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X

- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
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- Definition

Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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- Definition

Amount of valuation reserve for inventory.

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-Publisher FASB
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-Topic 330
-SubTopic 10
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