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Note 3 - Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

		Level 1				Level 2				Level 3				Total
Cash and cash equivalents:
Cash		$	3,901			$	—			$	—			$	3,901
Money market instruments			—				8,711				—				8,711
US government securities			—				649				—				649
US government agency securities			—				1,848				—				1,848
Total cash and cash equivalents		$	3,901			$	11,208			$	—			$	15,109
Marketable securities:
US government securities			—				1,796				—				1,796
Total marketable securities		$	—			$	1,796			$	—			$	1,796

		Level 1				Level 2				Level 3				Total
Assets:
Cash		$	21,352			$	—			$	—			$	21,352

X

- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, 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 1
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

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- References

No definition available.

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