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Note 5 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

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

						Fair Value Measurements at Reporting
						Date Using
						Quoted Prices in
						Active Markets				Significant Other				Significant
						for Identical Assets				Observable Inputs				Unobservable Inputs
		March 31, 2016				(Level 1)				(Level 2)				(Level 3)
Cash equivalents:
Money market funds		$	66,449			$	-			$	66,449			$	-
Investments:
Bank certificates of deposit		$	23,000				-			$	23,000				-

						Fair Value Measurements at Reporting
						Date Using
						Quoted Prices in
						Active Markets				Significant Other				Significant
						for Identical Assets				Observable Inputs				Unobservable Inputs
		December 31, 2015				(Level 1)				(Level 2)				(Level 3)
Cash equivalents:
Money market funds		$	61,385			$	-			$	61,385			$	-
Bank certificates of deposit			250				-				250				-
Total cash equivalents		$	61,635			$	-			$	61,635			$	-
Investments:
Corporate debt securities		$	2,001			$	-			$	2,001			$	-
Bank certificates of deposit			25,750				-				25,750				-
Total investments		$	27,751			$	-			$	27,751			$	-

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.

+ Details

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