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Note 5 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

						Fair Value Measurements at Reporting Date Using
		September 30, 2017				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Cash equivalents:
Money market funds		$	5,324			$	-			$	5,324			$	-
Investments:
Bank certificates of deposit		$	25,750			$	-			$	25,750			$	-

						Fair Value Measurements at Reporting Date Using
		December 31, 2016				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Cash equivalents:
Money market funds		$	68,352			$	-			$	68,352			$	-
Bank certificates of deposit			750				-				750				-
Total cash equivalents		$	69,102			$	-			$	69,102			$	-
Investments:
Bank certificates of deposit		$	20,500			$	-			$	20,500			$	-

X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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X

- References

No definition available.

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